diff --git a/crates/engine/src/cmd/create.rs b/crates/engine/src/cmd/create.rs
index 617f3a529..a9a86195d 100644
--- a/crates/engine/src/cmd/create.rs
+++ b/crates/engine/src/cmd/create.rs
@@ -32,7 +32,15 @@ pub fn specs() -> Vec<CommandSpec> {
         ),
         cmd!("shape.line", "Line Segment", [], None, "{x1, y1, x2, y2} → {id}", has_doc, line),
         cmd!("shape.spiral", "Spiral", [], None, "{cx, cy, radius, decay=80 (%), segments=10, clockwise?} → {id}", has_doc, spiral),
-        cmd!("shape.arc", "Arc", [], None, "{x1, y1, x2, y2, closed?} → {id}", has_doc, arc),
+        cmd!(
+            "shape.arc",
+            "Arc",
+            [],
+            None,
+            "{x1, y1, x2, y2, closed?, slope?} or {x, y, lengthX, lengthY, reference?, baseAlong?: x|y, slope?, closed?, fillArc?} → {id}",
+            has_doc,
+            arc
+        ),
         cmd!(
             "shape.rectangularGrid",
             "Rectangular Grid",
@@ -393,9 +401,34 @@ fn spiral(s: &mut Session, p: &Value) -> Result<Value> {
 }
 
 fn arc(s: &mut Session, p: &Value) -> Result<Value> {
-    let a = Point::new(f64_req(p, "x1", "shape.arc")?, f64_req(p, "y1", "shape.arc")?);
-    let b = Point::new(f64_req(p, "x2", "shape.arc")?, f64_req(p, "y2", "shape.arc")?);
-    add_art(s, "Arc", path_kind(shapes::arc(a, b, 0.0, switch_or(p, "closed", false, "shape.arc")?), None), None)
+    let closed = switch_or(p, "closed", false, "shape.arc")?;
+    let fill_arc = switch_or(p, "fillArc", false, "shape.arc")?;
+    let base_x = !matches!(p.get("baseAlong").and_then(Value::as_str), Some("y" | "Y"));
+    let path = if p.get("lengthX").is_some() || p.get("lengthY").is_some() {
+        let anchor = Point::new(f64_req(p, "x", "shape.arc")?, f64_req(p, "y", "shape.arc")?);
+        let reference = p.get("reference").and_then(Value::as_u64).unwrap_or(0) as usize;
+        shapes::arc_segment(
+            anchor,
+            reference,
+            number_or(p, "lengthX", 100.0, "shape.arc")?,
+            number_or(p, "lengthY", 100.0, "shape.arc")?,
+            base_x,
+            number_or(p, "slope", 50.0, "shape.arc")?,
+            closed,
+        )
+    } else {
+        let a = Point::new(f64_req(p, "x1", "shape.arc")?, f64_req(p, "y1", "shape.arc")?);
+        let b = Point::new(f64_req(p, "x2", "shape.arc")?, f64_req(p, "y2", "shape.arc")?);
+        let slope = number_or(p, "slope", 100.0, "shape.arc")?;
+        shapes::arc(a, b, slope, closed, base_x)
+    };
+    let fill = if fill_arc { s.paint.fill.clone() } else { vectorcraft_color::Paint::None };
+    let look = s.new_art_look(
+        fill,
+        if s.paint.stroke.is_none() { vectorcraft_color::Paint::solid(vectorcraft_color::Color::BLACK) } else { s.paint.stroke.clone() },
+        s.paint.stroke_width.max(0.1),
+    );
+    add_look(s, "Arc", path_kind(path, None), look, None)
 }
 
 /// The grid `paths` (bottom first) as one selected group in the new-art stroke, filled with the
diff --git a/crates/geom/src/shapes.rs b/crates/geom/src/shapes.rs
index e677d34ff..4d9f92281 100644
--- a/crates/geom/src/shapes.rs
+++ b/crates/geom/src/shapes.rs
@@ -176,17 +176,33 @@ pub fn line(a: Point, b: Point) -> PathData {
     PathData::single(SubPath::polyline(&[a, b], false))
 }
 
-/// Quarter-ellipse arc from `a` to `b` (Arc tool default: concave, open, x-axis base).
-pub fn arc(a: Point, b: Point, slope: f64, closed: bool) -> PathData {
-    // Corner of the arc's bounding box is at (a.x, b.y): the arc bows away from it.
-    let k = KAPPA * (1.0 + slope.clamp(-1.0, 1.0) * 0.0);
-    let corner = Point::new(b.x, a.y);
-    let h1 = a + (corner - a) * k;
-    let h2 = b + (corner - b) * k;
+/// Bounding box of an arc segment when reference point `reference` (0…8) is placed on `anchor`.
+pub fn arc_bbox(anchor: Point, reference: usize, length_x: f64, length_y: f64) -> Rect {
+    let w = length_x.abs().max(1e-9);
+    let h = length_y.abs().max(1e-9);
+    let rp = crate::reference_point(Rect::new(0.0, 0.0, w, h), reference.min(8));
+    Rect::new(anchor.x - rp.x, anchor.y - rp.y, anchor.x - rp.x + w, anchor.y - rp.y + h)
+}
+
+/// Arc segment from the Arc tool dialog: lengths, reference point, base axis, slope and open/closed.
+pub fn arc_segment(anchor: Point, reference: usize, length_x: f64, length_y: f64, base_along_x: bool, slope: f64, closed: bool) -> PathData {
+    let r = arc_bbox(anchor, reference, length_x, length_y).abs();
+    let (a, b) = if base_along_x { (Point::new(r.x0, r.y0), Point::new(r.x1, r.y1)) } else { (Point::new(r.x0, r.y1), Point::new(r.x1, r.y0)) };
+    arc(a, b, slope, closed, base_along_x)
+}
+
+/// Quarter-ellipse arc from `a` to `b` (Arc tool default: open, x-axis base when `base_along_x`).
+/// `slope` is −100…100 (concave…convex); 0 is a straight chord.
+pub fn arc(a: Point, b: Point, slope: f64, closed: bool, base_along_x: bool) -> PathData {
+    let t = slope.clamp(-100.0, 100.0) / 100.0;
+    let corner = if t >= 0.0 { Point::new(b.x, a.y) } else { Point::new(a.x, b.y) };
+    let k = KAPPA * t.abs();
+    let h1 = if k == 0.0 { a } else { a + (corner - a) * k };
+    let h2 = if k == 0.0 { b } else { b + (corner - b) * k };
     let mut anchors =
         vec![Anchor { p: a, h_in: a, h_out: h1, kind: AnchorKind::Corner }, Anchor { p: b, h_in: h2, h_out: b, kind: AnchorKind::Corner }];
     if closed {
-        let o = Point::new(a.x, b.y);
+        let o = if base_along_x { Point::new(a.x, b.y) } else { Point::new(b.x, a.y) };
         anchors.push(Anchor::corner(o));
     }
     PathData::single(SubPath::new(anchors, closed))
@@ -531,7 +547,9 @@ mod tests {
 
     #[test]
     fn arc_open_and_closed() {
-        assert_eq!(arc(Point::ZERO, Point::new(10.0, 10.0), 0.0, false).anchor_count(), 2);
-        assert!(arc(Point::ZERO, Point::new(10.0, 10.0), 0.0, true).subpaths[0].closed);
+        assert_eq!(arc(Point::ZERO, Point::new(10.0, 10.0), 0.0, false, true).anchor_count(), 2);
+        assert!(arc(Point::ZERO, Point::new(10.0, 10.0), 0.0, true, true).subpaths[0].closed);
+        let seg = arc_segment(Point::ZERO, 0, 100.0, 50.0, true, 50.0, false);
+        assert_eq!(seg.anchor_count(), 2);
     }
 }
diff --git a/crates/tools/src/draw2/family.rs b/crates/tools/src/draw2/family.rs
index 9b068bc05..ff2cc8853 100644
--- a/crates/tools/src/draw2/family.rs
+++ b/crates/tools/src/draw2/family.rs
@@ -9,7 +9,7 @@
 use serde_json::{Value, json};
 use vectorcraft_geom::Point;
 
-use crate::guides::{DrawSnap, Leave, square};
+use crate::guides::{DrawSnap, Leave};
 use crate::shape::drag_rect;
 use crate::{Action, Cursor, Mods, Overlay, PointerEvent, PointerKind, Tool, ToolContext, ToolKey};
 
@@ -20,6 +20,12 @@ pub struct FamilyTool {
     mods: Mods,
     began: bool,
     pub closed: bool,
+    length_x: f64,
+    length_y: f64,
+    reference: usize,
+    base_along: &'static str,
+    slope: f64,
+    fill_arc: bool,
     pub decay: f64,
     pub segments: u32,
     pub clockwise: bool,
@@ -53,6 +59,12 @@ impl FamilyTool {
             mods: Mods::default(),
             began: false,
             closed: false,
+            length_x: 100.0,
+            length_y: 100.0,
+            reference: 0,
+            base_along: "x",
+            slope: 50.0,
+            fill_arc: false,
             decay: 80.0,
             segments: 10,
             clockwise: true,
@@ -101,9 +113,24 @@ impl FamilyTool {
                 (format!("shape.{}", self.id), params)
             }
             _ => {
-                let d = if m.shift { square(p - start) } else { p - start };
-                let (a, b) = if m.alt { (start - d, start + d) } else { (start, start + d) };
-                ("shape.arc".into(), json!({"x1": a.x, "y1": a.y, "x2": b.x, "y2": b.y, "closed": self.closed}))
+                let r = drag_rect(start, p, m).abs();
+                let (w, h) = (r.width().max(1e-9), r.height().max(1e-9));
+                let rp = vectorcraft_geom::reference_point(vectorcraft_geom::Rect::new(0.0, 0.0, w, h), self.reference.min(8));
+                let anchor = Point::new(r.x0 + rp.x, r.y0 + rp.y);
+                (
+                    "shape.arc".into(),
+                    json!({
+                        "x": anchor.x,
+                        "y": anchor.y,
+                        "lengthX": w,
+                        "lengthY": h,
+                        "reference": self.reference,
+                        "baseAlong": self.base_along,
+                        "slope": self.slope,
+                        "closed": self.closed,
+                        "fillArc": self.fill_arc,
+                    }),
+                )
             }
         }
     }
@@ -219,12 +246,30 @@ impl Tool for FamilyTool {
             "polarGrid" => json!({
                 "concentric": self.rows, "radial": self.columns, "concentricSkew": self.skew[0], "radialSkew": self.skew[1], "compound": self.compound, "fill": self.fill,
             }),
-            _ => json!({"closed": self.closed}),
+            _ => json!({
+                "closed": self.closed,
+                "lengthX": self.length_x,
+                "lengthY": self.length_y,
+                "reference": self.reference,
+                "baseAlong": self.base_along,
+                "slope": self.slope,
+                "fillArc": self.fill_arc,
+            }),
         }
     }
     fn set_option(&mut self, key: &str, v: &Value) {
         match key {
             "closed" => self.closed = v.as_bool().unwrap_or(self.closed),
+            "lengthX" => self.length_x = arc_length(v, self.length_x),
+            "lengthY" => self.length_y = arc_length(v, self.length_y),
+            "reference" => self.reference = v.as_u64().unwrap_or(self.reference as u64).min(8) as usize,
+            "baseAlong" => {
+                if let Some(s) = v.as_str() {
+                    self.base_along = if s.eq_ignore_ascii_case("y") { "y" } else { "x" };
+                }
+            }
+            "slope" => self.slope = v.as_f64().filter(|n| n.is_finite()).map_or(self.slope, |n| n.clamp(-100.0, 100.0)),
+            "fillArc" => self.fill_arc = v.as_bool().unwrap_or(self.fill_arc),
             "decay" => self.decay = v.as_f64().unwrap_or(self.decay).clamp(5.0, 150.0),
             "segments" => self.segments = v.as_u64().unwrap_or(10).clamp(2, 1000) as u32,
             "clockwise" => self.clockwise = v.as_bool().unwrap_or(self.clockwise),
@@ -240,6 +285,11 @@ impl Tool for FamilyTool {
     }
 }
 
+/// Arc segment length from a dialog or preference value.
+fn arc_length(v: &Value, current: f64) -> f64 {
+    v.as_f64().filter(|n| n.is_finite()).map_or(current, |n| n.abs().max(1e-9))
+}
+
 /// A grid divider skew from option value `v`: a finite number within the range, else `current`.
 fn grid_skew(v: &Value, current: f64) -> f64 {
     let max = vectorcraft_geom::shapes::GRID_SKEW_MAX;
@@ -327,7 +377,52 @@ mod tests {
         let t = FamilyTool::new("arc");
         let (c, v) = t.command(Point::new(0.0, 0.0), Point::new(10.0, 4.0), Mods { shift: true, ..Default::default() });
         assert_eq!(c, "shape.arc");
-        assert_eq!(v, json!({"x1": 0.0, "y1": 0.0, "x2": 10.0, "y2": 10.0, "closed": false}));
+        assert_eq!(
+            v,
+            json!({
+                "x": 0.0,
+                "y": 0.0,
+                "lengthX": 10.0,
+                "lengthY": 10.0,
+                "reference": 0,
+                "baseAlong": "x",
+                "slope": 50.0,
+                "closed": false,
+                "fillArc": false,
+            })
+        );
+    }
+
+    #[test]
+    fn arc_drag_uses_stored_segment_options() {
+        let mut t = FamilyTool::new("arc");
+        for (key, value) in [
+            ("lengthX", json!(80.0)),
+            ("lengthY", json!(40.0)),
+            ("reference", json!(4)),
+            ("baseAlong", json!("y")),
+            ("slope", json!(-25.0)),
+            ("closed", json!(true)),
+            ("fillArc", json!(true)),
+        ] {
+            t.set_option(key, &value);
+        }
+        let (command, params) = t.command(Point::new(10.0, 20.0), Point::new(50.0, 70.0), Mods::default());
+        assert_eq!(command, "shape.arc");
+        assert_eq!(
+            params,
+            json!({
+                "x": 30.0,
+                "y": 45.0,
+                "lengthX": 40.0,
+                "lengthY": 50.0,
+                "reference": 4,
+                "baseAlong": "y",
+                "slope": -25.0,
+                "closed": true,
+                "fillArc": true,
+            })
+        );
     }
 
     /// The start and the dragged corner snap to Smart Guides (#506), Shift sliding the corner of
diff --git a/crates/tools/src/settings.rs b/crates/tools/src/settings.rs
index 8abb10f44..e395105c0 100644
--- a/crates/tools/src/settings.rs
+++ b/crates/tools/src/settings.rs
@@ -26,7 +26,7 @@ const ROWS: &[Row] = &[
     (SYMBOLISM, Some("symbolism"), &["diameter", "intensity", "density"]),
     (&["mirrorCut"], None, &["axis", "keep"]),
     (&["puppetWarp"], None, &["showMesh", "expand"]),
-    (&["arc"], None, &["closed"]),
+    (&["arc"], None, &["closed", "lengthX", "lengthY", "reference", "baseAlong", "slope", "fillArc"]),
     (&["spiral"], None, &["decay", "segments", "clockwise"]),
     (&["rectangularGrid"], None, &["rows", "columns", "rowSkew", "columnSkew", "frame", "fill"]),
     (&["polarGrid"], None, &["concentric", "radial", "concentricSkew", "radialSkew", "compound", "fill"]),
diff --git a/crates/ui-egui/src/dialogs/form.rs b/crates/ui-egui/src/dialogs/form.rs
index e7092235d..ffa232135 100644
--- a/crates/ui-egui/src/dialogs/form.rs
+++ b/crates/ui-egui/src/dialogs/form.rs
@@ -64,6 +64,7 @@ fn lengths(kind: &str) -> &'static [&'static str] {
         "polygon" => &["radius"],
         "star" => &["radius1", "radius2"],
         "lineSegment" => &["length"],
+        "arc" => &["lengthX", "lengthY"],
         "offsetPath" => &["offset"],
         _ => &[],
     }
@@ -73,7 +74,7 @@ fn lengths(kind: &str) -> &'static [&'static str] {
 /// number: fields that ↑/↓ step by one (Shift: ten) and that do math, as the distances do.
 fn suffix(kind: &str, key: &str) -> Option<&'static str> {
     match (kind, key) {
-        ("rotate" | "shear" | "reflect" | "move", "angle") => Some("°"),
+        ("rotate" | "shear" | "reflect" | "move" | "lineSegment", "angle") => Some("°"),
         ("scale", "sx" | "sy") => Some("%"),
         _ => None,
     }
@@ -96,6 +97,7 @@ fn order(kind: &str) -> &'static [&'static str] {
         "rectangularGrid" => &["width", "height", "rows", "rowSkew", "columns", "columnSkew"],
         "polarGrid" => &["width", "height", "concentric", "concentricSkew", "radial", "radialSkew"],
         "artboardOptions" => &["name", "width", "height"],
+        "lineSegment" => &["length", "angle"],
         _ => &[],
     }
 }
diff --git a/crates/ui-egui/src/dialogs/mod.rs b/crates/ui-egui/src/dialogs/mod.rs
index ac2c422fb..b75313615 100644
--- a/crates/ui-egui/src/dialogs/mod.rs
+++ b/crates/ui-egui/src/dialogs/mod.rs
@@ -246,7 +246,7 @@ macro_rules! registry {
 registry! {
     DimensionOptions: [dimension::KIND] => dimension::SPEC,
     NewDocument: [new_document::KIND] => new_document::SPEC,
-    Shape: ["rectangle", "roundedRectangle", "ellipse", "polygon", "star", "lineSegment", "rectangularGrid", "polarGrid"] => shapes::SPEC,
+    Shape: ["rectangle", "roundedRectangle", "ellipse", "polygon", "star", "lineSegment", "arc", "rectangularGrid", "polarGrid"] => shapes::SPEC,
     Transform: ["move", "rotate", "scale", "reflect", "shear"] => transform::SPEC,
     PathOp: ["average", "offsetPath", "simplify", "splitIntoGrid"] => path_ops::SPEC,
     DocumentSetup: ["documentSetup"] => document_setup::SPEC,
diff --git a/crates/ui-egui/src/dialogs/shapes.rs b/crates/ui-egui/src/dialogs/shapes.rs
index b0a3a1fd0..da21b9fb2 100644
--- a/crates/ui-egui/src/dialogs/shapes.rs
+++ b/crates/ui-egui/src/dialogs/shapes.rs
@@ -1,7 +1,8 @@
 //! Shape size dialogs (a click with a shape tool): Rectangle, Rounded Rectangle, Ellipse, Polygon,
-//! Star, Line Segment Tool Options and the two grids (size, divider counts and skews, switches).
+//! Star, Line Segment and Arc tool options, and the two grids (size, divider counts and skews, switches).
 
 use serde_json::{Value, json};
+use vectorcraft_doc::Unit;
 use vectorcraft_geom::{Point, Rect};
 
 use super::{DialogSpec, form, run_and_close};
@@ -21,6 +22,7 @@ fn title(kind: &str) -> &'static str {
         "star" => tl!("Star"),
         "rectangularGrid" => tl!("Rectangular Grid"),
         "polarGrid" => tl!("Polar Grid"),
+        "arc" => tl!("Arc Segment Tool Options"),
         _ => tl!("Line Segment Tool Options"),
     }
 }
@@ -48,6 +50,21 @@ fn set_grid_placed(d: &mut Dialog, r: Rect) {
     d.fields.insert("height".into(), json!(r.height()));
 }
 
+/// Arc segment dialog: keep reference `refi` on the canvas click (`__anchorX`/`__anchorY`).
+pub(crate) fn arc_pin_to_anchor(d: &mut Dialog) {
+    let anchor = Point::new(d.f64("__anchorX", d.f64("x", 0.0)), d.f64("__anchorY", d.f64("y", 0.0)));
+    let refi = d.fields.get("reference").and_then(|v| v.as_u64()).map(|n| (n as usize).min(8)).unwrap_or(0);
+    let w = d.f64("lengthX", 100.0).abs().max(1e-9);
+    let h = d.f64("lengthY", 100.0).abs().max(1e-9);
+    let rp = vectorcraft_geom::reference_point(Rect::new(0.0, 0.0, w, h), refi);
+    d.fields.insert("x".into(), json!(anchor.x - rp.x));
+    d.fields.insert("y".into(), json!(anchor.y - rp.y));
+}
+
+fn arc_reference(d: &Dialog) -> usize {
+    d.fields.get("reference").and_then(|v| v.as_u64()).map(|n| (n as usize).min(8)).unwrap_or(0)
+}
+
 /// Top-left `x`/`y` so reference point `refi` sits on the canvas click (`__anchorX`/`__anchorY`).
 pub(crate) fn grid_pin_to_anchor(d: &mut Dialog) {
     let anchor = Point::new(d.f64("__anchorX", d.f64("x", 0.0)), d.f64("__anchorY", d.f64("y", 0.0)));
@@ -78,6 +95,8 @@ fn body(app: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) -> bool {
                 set_grid_placed(d, artboard_rect(was, refi, None, None, Some(w), Some(h), false));
             }
         });
+    } else if d.kind == "arc" {
+        arc_form(ui, d, unit);
     } else {
         form::grid(ui, d, unit);
     }
@@ -93,6 +112,50 @@ fn body(app: &mut VectorcraftApp, ui: &mut egui::Ui, d: &mut Dialog) -> bool {
     false
 }
 
+fn arc_form(ui: &mut egui::Ui, d: &mut Dialog, unit: Unit) {
+    ui.horizontal(|ui| {
+        let refi = arc_reference(d);
+        if let Some(i) = widgets::reference_point(ui, refi) {
+            d.fields.insert("reference".into(), json!(i));
+            arc_pin_to_anchor(d);
+        }
+    });
+    ui.add_space(4.0);
+    let rail = crate::theme::Tokens::get(ui.ctx()).input_border;
+    egui::Grid::new("arc-dlg").num_columns(2).spacing([10.0, 8.0]).show(ui, |ui| {
+        let lx0 = d.f64("lengthX", 100.0);
+        form::length_field(ui, d, "lengthX", tl!("Length X-Axis:"), unit);
+        if d.f64("lengthX", 100.0) != lx0 {
+            arc_pin_to_anchor(d);
+        }
+        let ly0 = d.f64("lengthY", 100.0);
+        form::length_field(ui, d, "lengthY", tl!("Length Y-Axis:"), unit);
+        if d.f64("lengthY", 100.0) != ly0 {
+            arc_pin_to_anchor(d);
+        }
+        form::choice(ui, d, "arcType", tl!("Type:"), (form::FIELD_W, form::FIELD_W - 12.0), &[("open", tl!("Open")), ("closed", tl!("Closed"))]);
+        form::choice(
+            ui,
+            d,
+            "baseAlong",
+            tl!("Base Along:"),
+            (form::FIELD_W, form::FIELD_W - 12.0),
+            &[
+                ("x", crate::i18n::tr_ctx(crate::i18n::current(), "axis", "X Axis")),
+                ("y", crate::i18n::tr_ctx(crate::i18n::current(), "axis", "Y Axis")),
+            ],
+        );
+        form::row_label(ui, tl!("Slope:"));
+        ui.vertical(|ui| {
+            form::slider_field_named(ui, d, "slope", tl!("Slope:"), -100.0..=100.0, "", &|_| rail);
+            form::slider_ends(ui, form::SLIDER_LABEL, (tl!("Concave"), tl!("Convex")));
+        });
+        ui.end_row();
+    });
+    ui.add_space(8.0);
+    form::check(ui, d, "fillArc", tl!("Fill Arc"));
+}
+
 /// The top-left corner of a rectangle or ellipse: the click itself, or with Alt held (draw from centre) the click minus half the size.
 fn box_origin(d: &Dialog) -> (f64, f64) {
     let (x, y) = (d.f64("x", 0.0), d.f64("y", 0.0));
@@ -109,11 +172,25 @@ fn confirm(app: &mut VectorcraftApp, d: &Dialog) -> Result<Value, String> {
         "star" => Some(("points", 5.0, 2.0)),
         _ => None,
     };
-    let options = count.map(|(key, default, min)| {
-        let mut values = json!({});
-        values[key] = json!(d.f64(key, default).clamp(min, 1000.0) as u64);
-        values
-    });
+    let options = count
+        .map(|(key, default, min)| {
+            let mut values = json!({});
+            values[key] = json!(d.f64(key, default).clamp(min, 1000.0) as u64);
+            values
+        })
+        .or_else(|| {
+            (d.kind == "arc").then(|| {
+                json!({
+                    "closed": d.str("arcType").eq_ignore_ascii_case("closed"),
+                    "lengthX": d.f64("lengthX", 100.0),
+                    "lengthY": d.f64("lengthY", 100.0),
+                    "reference": arc_reference(d),
+                    "baseAlong": d.str("baseAlong"),
+                    "slope": d.f64("slope", 50.0),
+                    "fillArc": d.bool("fillArc"),
+                })
+            })
+        });
     let (x, y) = (d.f64("x", 0.0), d.f64("y", 0.0));
     let (bx, by) = box_origin(d);
     let (id, params) = match d.kind.as_str() {
@@ -140,6 +217,23 @@ fn confirm(app: &mut VectorcraftApp, d: &Dialog) -> Result<Value, String> {
             let (l, a) = (d.f64("length", 100.0), d.f64("angle", 0.0).to_radians());
             ("shape.line", json!({"x1": x, "y1": y, "x2": x + l * a.cos(), "y2": y - l * a.sin()}))
         }
+        "arc" => {
+            let anchor = Point::new(d.f64("__anchorX", x), d.f64("__anchorY", y));
+            (
+                "shape.arc",
+                json!({
+                    "x": anchor.x,
+                    "y": anchor.y,
+                    "lengthX": d.f64("lengthX", 100.0),
+                    "lengthY": d.f64("lengthY", 100.0),
+                    "reference": arc_reference(d),
+                    "baseAlong": d.str("baseAlong"),
+                    "slope": d.f64("slope", 50.0),
+                    "closed": d.str("arcType").eq_ignore_ascii_case("closed"),
+                    "fillArc": d.bool("fillArc"),
+                }),
+            )
+        }
         _ => (
             "shape.rectangle",
             json!({"x": bx, "y": by, "width": d.f64("width", 100.0), "height": d.f64("height", 100.0), "radius": d.f64("radius", 0.0)}),
diff --git a/crates/ui-egui/src/dialogs/tests.rs b/crates/ui-egui/src/dialogs/tests.rs
index 8fbdf2d3a..775232b5e 100644
--- a/crates/ui-egui/src/dialogs/tests.rs
+++ b/crates/ui-egui/src/dialogs/tests.rs
@@ -41,6 +41,7 @@ fn kinds_map_to_their_dialogs() {
         ("newDocument", DialogKind::NewDocument),
         ("roundedRectangle", DialogKind::Shape),
         ("lineSegment", DialogKind::Shape),
+        ("arc", DialogKind::Shape),
         ("rectangularGrid", DialogKind::Shape),
         ("polarGrid", DialogKind::Shape),
         ("shear", DialogKind::Transform),
@@ -88,6 +89,7 @@ fn every_dialog_draws() {
         "polygon",
         "star",
         "lineSegment",
+        "arc",
         "rectangularGrid",
         "polarGrid",
         "rotate",
@@ -1711,6 +1713,25 @@ fn polar_grid_shared_canvas_click_defaults_units_counts_and_history() {
     assert_eq!(app.session.doc().unwrap().doc, made);
 }
 
+/// Part of gap G11: an Arc tool click opens its options at the pointer; OK draws an arc there.
+#[test]
+fn arc_click_opens_options_and_ok_draws() {
+    use vectorcraft_doc::NodeKind;
+    let mut app = app();
+    open_tool_dialog(&mut app, "arc", json!({"x": 100.0, "y": 50.0}));
+    let d = app.ui.dialog.as_ref().unwrap();
+    assert_eq!(d.kind, "arc");
+    assert!(d.fields.contains_key("lengthX") && d.fields.contains_key("lengthY"));
+    super::confirm(&mut app).unwrap();
+    let n = app.session.doc().unwrap().doc.layers[0].children().unwrap().last().unwrap();
+    assert!(matches!(n.kind, NodeKind::Path { .. }));
+    let pd = n.path_data().unwrap();
+    let a0 = pd.subpaths[0].anchors[0].p;
+    let a1 = pd.subpaths[0].anchors[1].p;
+    assert!((a0.x - 100.0).abs() < 1e-6 && (a0.y - 50.0).abs() < 1e-6);
+    assert!((a1.x - 200.0).abs() < 1e-6 && (a1.y - 150.0).abs() < 1e-6);
+}
+
 /// #1377: Polar Grid's dialog has a skew slider under each divider count, Create Compound Path
 /// From Ellipses and Fill Grid, opened with the tool's stored values; OK draws with them and
 /// stores them.
diff --git a/crates/ui-egui/src/dialogs/tools.rs b/crates/ui-egui/src/dialogs/tools.rs
index acd76f3f4..bcad596f8 100644
--- a/crates/ui-egui/src/dialogs/tools.rs
+++ b/crates/ui-egui/src/dialogs/tools.rs
@@ -20,6 +20,28 @@ pub fn open_tool_dialog(app: &mut VectorcraftApp, kind: &str, p: Value) {
             Dialog::new(kind, json!({"x": x, "y": y, "radius1": "50 pt", "radius2": "25 pt", "points": app.session.tool_options_of(kind)["points"]}))
         }
         "lineSegment" => Dialog::new(kind, json!({"x": x, "y": y, "length": "100 pt", "angle": 0})),
+        "arc" => {
+            let opts = app.session.tool_options_of(kind);
+            let closed = opts.get("closed").and_then(Value::as_bool).unwrap_or(false);
+            let mut d = Dialog::new(
+                kind,
+                json!({
+                    "__anchorX": x,
+                    "__anchorY": y,
+                    "x": x,
+                    "y": y,
+                    "lengthX": opts.get("lengthX").cloned().unwrap_or(json!("100 pt")),
+                    "lengthY": opts.get("lengthY").cloned().unwrap_or(json!("100 pt")),
+                    "reference": opts.get("reference").cloned().unwrap_or(json!(0)),
+                    "arcType": if closed { "closed" } else { "open" },
+                    "baseAlong": opts.get("baseAlong").cloned().unwrap_or(json!("x")),
+                    "slope": opts.get("slope").cloned().unwrap_or(json!(50)),
+                    "fillArc": opts.get("fillArc").and_then(Value::as_bool).unwrap_or(false),
+                }),
+            );
+            super::shapes::arc_pin_to_anchor(&mut d);
+            d
+        }
         // The grids: the tool's stored options (divider counts and skews, switches) at the default size.
         "rectangularGrid" | "polarGrid" => {
             let mut obj = match app.session.tool_options_of(kind) {
diff --git a/crates/ui-egui/src/i18n/bg.tsv b/crates/ui-egui/src/i18n/bg.tsv
index b66475eb0..5f74d8a0c 100644
--- a/crates/ui-egui/src/i18n/bg.tsv
+++ b/crates/ui-egui/src/i18n/bg.tsv
@@ -5358,6 +5358,16 @@ theme	Appearance	Външен вид
 	Fresco	Фреска
 	Effect Gallery…	Галерия с ефекти…
 	Effect Gallery Dialog	Диалог „Галерия с ефекти“
+	Arc Segment Tool Options	Опции на инструмента „Дъгов сегмент“
+	Base Along:	Основа по:
+	Closed	Затворен
+	Convex	Изпъкнал
+	Fill Arc	Запълване на дъга
+	Length X-Axis:	Дължина по X:
+	Length Y-Axis:	Дължина по Y:
+	Slope:	Наклон:
+axis	X Axis	X ос
+axis	Y Axis	Y ос
 @msg	Packaged {n} file(s) in {folder}	Пакетирани са {n} файла в {folder}
 @msg	Packaged {n} file(s) {note}	Пакетирани са {n} файла {note}
 @msg	Packaged {n} file(s)	Пакетирани са {n} файла
diff --git a/crates/ui-egui/src/i18n/cs.tsv b/crates/ui-egui/src/i18n/cs.tsv
index 9a5256f57..2c031b25b 100644
--- a/crates/ui-egui/src/i18n/cs.tsv
+++ b/crates/ui-egui/src/i18n/cs.tsv
@@ -5402,6 +5402,16 @@ mark-style	Japanese	Japonské
 	Fresco	Freska
 	Effect Gallery…	Galerie efektů…
 	Effect Gallery Dialog	Dialog Galerie efektů
+	Arc Segment Tool Options	Možnosti nástroje Obloukový segment
+	Base Along:	Základna podél:
+	Closed	Uzavřený
+	Convex	Konvexní
+	Fill Arc	Výplň oblouku
+	Length X-Axis:	Délka na ose X:
+	Length Y-Axis:	Délka na ose Y:
+	Slope:	Sklon:
+axis	X Axis	osa X
+axis	Y Axis	osa Y
 @msg	Packaged {n} file(s) in {folder}	Zabaleno souborů: {n} do {folder}
 @msg	Packaged {n} file(s) {note}	Zabaleno souborů: {n} {note}
 @msg	Packaged {n} file(s)	Zabaleno souborů: {n}
diff --git a/crates/ui-egui/src/i18n/da.tsv b/crates/ui-egui/src/i18n/da.tsv
index ea3b4cf9f..1e9d5a076 100644
--- a/crates/ui-egui/src/i18n/da.tsv
+++ b/crates/ui-egui/src/i18n/da.tsv
@@ -5374,6 +5374,16 @@ swatch	Bright Violet	Kraftig violet
 	Fresco	Fresko
 	Effect Gallery…	Effektgalleri…
 	Effect Gallery Dialog	Dialogboksen Effektgalleri
+	Arc Segment Tool Options	Indstillinger for buesegmentværktøj
+	Base Along:	Base langs:
+	Closed	Lukket
+	Convex	Konvex
+	Fill Arc	Udfyld bue
+	Length X-Axis:	Længde X-akse:
+	Length Y-Axis:	Længde Y-akse:
+	Slope:	Hældning:
+axis	X Axis	X-akse
+axis	Y Axis	Y-akse
 @msg	Packaged {n} file(s) in {folder}	Pakkede {n} fil(er) i {folder}
 @msg	Packaged {n} file(s) {note}	Pakkede {n} fil(er) {note}
 @msg	Packaged {n} file(s)	Pakkede {n} fil(er)
diff --git a/crates/ui-egui/src/i18n/de.tsv b/crates/ui-egui/src/i18n/de.tsv
index be635c5d5..8681b03b1 100644
--- a/crates/ui-egui/src/i18n/de.tsv
+++ b/crates/ui-egui/src/i18n/de.tsv
@@ -4983,6 +4983,17 @@ effect	Soft	Weich
 	Fresco	Fresko
 	Effect Gallery…	Effekt-Galerie…
 	Effect Gallery Dialog	Dialogfeld „Effekt-Galerie“
+	Arc Segment Tool Options	Optionen für das Bogensegment-Werkzeug
+	Base Along:	Basis entlang:
+	Closed	Geschlossen
+	Concave	Konkav
+	Convex	Konvex
+	Fill Arc	Bogen füllen
+	Length X-Axis:	Länge X-Achse:
+	Length Y-Axis:	Länge Y-Achse:
+	Slope:	Steigung:
+axis	X Axis	X-Achse
+axis	Y Axis	Y-Achse
 @msg	Packaged {n} file(s) in {folder}	{n} Datei(en) in {folder} verpackt
 @msg	Packaged {n} file(s) {note}	{n} Datei(en) verpackt {note}
 @msg	Packaged {n} file(s)	{n} Datei(en) verpackt
diff --git a/crates/ui-egui/src/i18n/el.tsv b/crates/ui-egui/src/i18n/el.tsv
index 3d5783a54..4358fb5f5 100644
--- a/crates/ui-egui/src/i18n/el.tsv
+++ b/crates/ui-egui/src/i18n/el.tsv
@@ -5354,6 +5354,16 @@ effect	Points	Σημεία
 	Fresco	Νωπογραφία
 	Effect Gallery…	Συλλογή εφέ…
 	Effect Gallery Dialog	Παράθυρο διαλόγου Συλλογή εφέ
+	Arc Segment Tool Options	Επιλογές εργαλείου τμήματος τόξου
+	Base Along:	Βάση κατά:
+	Closed	Κλειστό
+	Convex	Κυρτό
+	Fill Arc	Γέμισμα τόξου
+	Length X-Axis:	Μήκος άξονα X:
+	Length Y-Axis:	Μήκος άξονα Y:
+	Slope:	Κλίση:
+axis	X Axis	Άξονας X
+axis	Y Axis	Άξονας Y
 @msg	Packaged {n} file(s) in {folder}	Συσκευάστηκαν {n} αρχεία στον φάκελο {folder}
 @msg	Packaged {n} file(s) {note}	Συσκευάστηκαν {n} αρχεία {note}
 @msg	Packaged {n} file(s)	Συσκευάστηκαν {n} αρχεία
diff --git a/crates/ui-egui/src/i18n/es.tsv b/crates/ui-egui/src/i18n/es.tsv
index 369d8c0a7..fcb70e9a4 100644
--- a/crates/ui-egui/src/i18n/es.tsv
+++ b/crates/ui-egui/src/i18n/es.tsv
@@ -5344,6 +5344,16 @@ mark-style	Japanese	Japonesas
 	Fresco	Fresco
 	Effect Gallery…	Galería de efectos…
 	Effect Gallery Dialog	Cuadro de diálogo Galería de efectos
+	Arc Segment Tool Options	Opciones de la herramienta Segmento de arco
+	Base Along:	Base a lo largo de:
+	Closed	Cerrado
+	Convex	Convexo
+	Fill Arc	Rellenar arco
+	Length X-Axis:	Longitud eje X:
+	Length Y-Axis:	Longitud eje Y:
+	Slope:	Pendiente:
+axis	X Axis	Eje X
+axis	Y Axis	Eje Y
 @msg	Packaged {n} file(s) in {folder}	Se empaquetaron {n} archivo(s) en {folder}
 @msg	Packaged {n} file(s) {note}	Se empaquetaron {n} archivo(s) {note}
 @msg	Packaged {n} file(s)	Se empaquetaron {n} archivo(s)
diff --git a/crates/ui-egui/src/i18n/fi.tsv b/crates/ui-egui/src/i18n/fi.tsv
index 7d93f0751..0c3e3d646 100644
--- a/crates/ui-egui/src/i18n/fi.tsv
+++ b/crates/ui-egui/src/i18n/fi.tsv
@@ -5433,6 +5433,16 @@ swatch	Bright Violet	Kirkas violetti
 	Fresco	Fresko
 	Effect Gallery…	Tehostegalleria…
 	Effect Gallery Dialog	Tehostegalleria-valintaikkuna
+	Arc Segment Tool Options	Kaarisegmenttityökalun asetukset
+	Base Along:	Pohja pitkin:
+	Closed	Suljettu
+	Convex	Kupera
+	Fill Arc	Täytä kaari
+	Length X-Axis:	Pituus X-akseli:
+	Length Y-Axis:	Pituus Y-akseli:
+	Slope:	Kaltevuus:
+axis	X Axis	X-akseli
+axis	Y Axis	Y-akseli
 @msg	Packaged {n} file(s) in {folder}	Paketoitiin {n} tiedosto(a) kansioon {folder}
 @msg	Packaged {n} file(s) {note}	Paketoitiin {n} tiedosto(a) {note}
 @msg	Packaged {n} file(s)	Paketoitiin {n} tiedosto(a)
diff --git a/crates/ui-egui/src/i18n/fr.tsv b/crates/ui-egui/src/i18n/fr.tsv
index 2e2c13196..c8f714e95 100644
--- a/crates/ui-egui/src/i18n/fr.tsv
+++ b/crates/ui-egui/src/i18n/fr.tsv
@@ -5401,6 +5401,16 @@ theme	Appearance	Apparence
 	Fresco	Fresque
 	Effect Gallery…	Galerie d'effets…
 	Effect Gallery Dialog	Boîte de dialogue Galerie d'effets
+	Arc Segment Tool Options	Options de l’outil Segment d’arc
+	Base Along:	Base le long de :
+	Closed	Fermé
+	Convex	Convexe
+	Fill Arc	Remplir l’arc
+	Length X-Axis:	Longueur axe X :
+	Length Y-Axis:	Longueur axe Y :
+	Slope:	Pente :
+axis	X Axis	Axe X
+axis	Y Axis	Axe Y
 @msg	Packaged {n} file(s) in {folder}	{n} fichier(s) assemblé(s) dans {folder}
 @msg	Packaged {n} file(s) {note}	{n} fichier(s) assemblé(s) {note}
 @msg	Packaged {n} file(s)	{n} fichier(s) assemblé(s)
diff --git a/crates/ui-egui/src/i18n/hu.tsv b/crates/ui-egui/src/i18n/hu.tsv
index 44166d5a0..8ccba9237 100644
--- a/crates/ui-egui/src/i18n/hu.tsv
+++ b/crates/ui-egui/src/i18n/hu.tsv
@@ -5388,6 +5388,16 @@ imageTrace	Outline	Körvonal
 	Fresco	Freskó
 	Effect Gallery…	Effektusgaléria…
 	Effect Gallery Dialog	Effektusgaléria párbeszédpanel
+	Arc Segment Tool Options	Ívszakasz eszköz beállításai
+	Base Along:	Alap mentén:
+	Closed	Zárt
+	Convex	Domború
+	Fill Arc	Ív kitöltése
+	Length X-Axis:	Hossz X tengely:
+	Length Y-Axis:	Hossz Y tengely:
+	Slope:	Lejtés:
+axis	X Axis	X tengely
+axis	Y Axis	Y tengely
 @msg	Packaged {n} file(s) in {folder}	Becsomagolt fájlok: {n}, mappa: {folder}
 @msg	Packaged {n} file(s) {note}	Becsomagolt fájlok: {n} {note}
 @msg	Packaged {n} file(s)	Becsomagolt fájlok: {n}
diff --git a/crates/ui-egui/src/i18n/id.tsv b/crates/ui-egui/src/i18n/id.tsv
index 0d18d3799..4f096a63c 100644
--- a/crates/ui-egui/src/i18n/id.tsv
+++ b/crates/ui-egui/src/i18n/id.tsv
@@ -5374,6 +5374,16 @@ swatch	Bright Violet	Violet cerah
 	Fresco	Fresko
 	Effect Gallery…	Galeri Efek…
 	Effect Gallery Dialog	Dialog Galeri Efek
+	Arc Segment Tool Options	Opsi alat segmen busur
+	Base Along:	Dasar sepanjang:
+	Closed	Tertutup
+	Convex	Cembung
+	Fill Arc	Isi busur
+	Length X-Axis:	Panjang sumbu X:
+	Length Y-Axis:	Panjang sumbu Y:
+	Slope:	Kemiringan:
+axis	X Axis	Sumbu X
+axis	Y Axis	Sumbu Y
 @msg	Packaged {n} file(s) in {folder}	Berhasil mengemas {n} file di {folder}
 @msg	Packaged {n} file(s) {note}	Berhasil mengemas {n} file {note}
 @msg	Packaged {n} file(s)	Berhasil mengemas {n} file
diff --git a/crates/ui-egui/src/i18n/it.tsv b/crates/ui-egui/src/i18n/it.tsv
index fdb0f9e19..e93bde038 100644
--- a/crates/ui-egui/src/i18n/it.tsv
+++ b/crates/ui-egui/src/i18n/it.tsv
@@ -5017,6 +5017,17 @@ lighting	Light	Luce
 	Fresco	Affresco
 	Effect Gallery…	Galleria effetti…
 	Effect Gallery Dialog	Finestra di dialogo Galleria effetti
+	Arc Segment Tool Options	Opzioni strumento Segmento arco
+	Base Along:	Base lungo:
+	Closed	Chiuso
+	Concave	Concavo
+	Convex	Convesso
+	Fill Arc	Riempi arco
+	Length X-Axis:	Lunghezza asse X:
+	Length Y-Axis:	Lunghezza asse Y:
+	Slope:	Pendenza:
+axis	X Axis	Asse X
+axis	Y Axis	Asse Y
 @msg	Packaged {n} file(s) in {folder}	Pacchetto creato con {n} file in {folder}
 @msg	Packaged {n} file(s) {note}	Pacchetto creato con {n} file {note}
 @msg	Packaged {n} file(s)	Pacchetto creato con {n} file
diff --git a/crates/ui-egui/src/i18n/ja.tsv b/crates/ui-egui/src/i18n/ja.tsv
index 671a3f835..2c1e7210a 100644
--- a/crates/ui-egui/src/i18n/ja.tsv
+++ b/crates/ui-egui/src/i18n/ja.tsv
@@ -5079,6 +5079,17 @@ lighting	Light	ライト
 	Simulate prints overprints as Overprint Preview shows them; separations always keep them. A preset flattens transparency before printing (PostScript files always flatten it).	シミュレートでは、オーバープリントプレビューと同じ見え方でオーバープリントを印刷します。分版では常にオーバープリントが保持されます。プリセットを選ぶと、印刷前に透明が分割・統合されます (PostScript ファイルでは常に分割・統合されます)。
 	Effect Gallery…	効果ギャラリー…
 	Effect Gallery Dialog	効果ギャラリーダイアログ
+	Arc Segment Tool Options	円弧セグメントツールオプション
+	Base Along:	基準方向:
+	Closed	閉じる
+	Concave	凹
+	Convex	凸
+	Fill Arc	円弧を塗りつぶす
+	Length X-Axis:	X 軸の長さ:
+	Length Y-Axis:	Y 軸の長さ:
+	Slope:	勾配:
+axis	X Axis	X 軸
+axis	Y Axis	Y 軸
 @msg	Packaged {n} file(s) in {folder}	{n} 個のファイルを {folder} にパッケージしました
 @msg	Packaged {n} file(s) {note}	{n} 個のファイルをパッケージしました {note}
 @msg	Packaged {n} file(s)	{n} 個のファイルをパッケージしました
diff --git a/crates/ui-egui/src/i18n/ka.tsv b/crates/ui-egui/src/i18n/ka.tsv
index e5bd4b2fc..6a2ec9d6d 100644
--- a/crates/ui-egui/src/i18n/ka.tsv
+++ b/crates/ui-egui/src/i18n/ka.tsv
@@ -5311,6 +5311,16 @@ imageTrace	Outline	კონტური
 	Select artwork to apply effects	აირჩიეთ ნამუშევარი ეფექტების გამოსაყენებლად
 	Effect Gallery…	ეფექტების გალერეა…
 	Effect Gallery Dialog	ეფექტების გალერეა დიალოგი
+	Arc Segment Tool Options	რკალის სეგმენტის ხელსაწყოს პარამეტრები
+	Base Along:	საფუძველი გასწვრივ:
+	Closed	დახურული
+	Convex	ამობზარი
+	Fill Arc	რკალის შევსება
+	Length X-Axis:	სიგრძე X ღერძზე:
+	Length Y-Axis:	სიგრძე Y ღერძზე:
+	Slope:	დახრა:
+axis	X Axis	X ღერძი
+axis	Y Axis	Y ღერძი
 @msg	Packaged {n} file(s) in {folder}	შეფუთულია ფაილი ({n}) საქაღალდეში {folder}
 @msg	Packaged {n} file(s) {note}	შეფუთულია ფაილი ({n}) {note}
 @msg	Packaged {n} file(s)	შეფუთულია ფაილი ({n})
diff --git a/crates/ui-egui/src/i18n/ko.tsv b/crates/ui-egui/src/i18n/ko.tsv
index bcb591a38..193f0286b 100644
--- a/crates/ui-egui/src/i18n/ko.tsv
+++ b/crates/ui-egui/src/i18n/ko.tsv
@@ -4980,6 +4980,17 @@ lighting	Light	광원
 	Fresco	프레스코
 	Effect Gallery…	효과 갤러리…
 	Effect Gallery Dialog	효과 갤러리 대화 상자
+	Arc Segment Tool Options	호 세그먼트 도구 옵션
+	Base Along:	기준 방향:
+	Closed	닫힘
+	Concave	오목
+	Convex	볼록
+	Fill Arc	호 채우기
+	Length X-Axis:	X축 길이:
+	Length Y-Axis:	Y축 길이:
+	Slope:	기울기:
+axis	X Axis	X축
+axis	Y Axis	Y축
 @msg	Packaged {n} file(s) in {folder}	{folder}에 파일 {n}개를 패키지했습니다
 @msg	Packaged {n} file(s) {note}	파일 {n}개를 패키지했습니다 {note}
 @msg	Packaged {n} file(s)	파일 {n}개를 패키지했습니다
diff --git a/crates/ui-egui/src/i18n/nl.tsv b/crates/ui-egui/src/i18n/nl.tsv
index 6666f4515..2fc7256a7 100644
--- a/crates/ui-egui/src/i18n/nl.tsv
+++ b/crates/ui-egui/src/i18n/nl.tsv
@@ -5417,6 +5417,16 @@ swatch	Bright Violet	Felviolet
 	Fresco	Fresco
 	Effect Gallery…	Effectgalerij…
 	Effect Gallery Dialog	Dialoogvenster Effectgalerij
+	Arc Segment Tool Options	Opties boogsegmentgereedschap
+	Base Along:	Basis langs:
+	Closed	Gesloten
+	Convex	Concaaf
+	Fill Arc	Boog vullen
+	Length X-Axis:	Lengte X-as:
+	Length Y-Axis:	Lengte Y-as:
+	Slope:	Helling:
+axis	X Axis	X-as
+axis	Y Axis	Y-as
 @msg	Packaged {n} file(s) in {folder}	{n} bestand(en) verpakt in {folder}
 @msg	Packaged {n} file(s) {note}	{n} bestand(en) verpakt {note}
 @msg	Packaged {n} file(s)	{n} bestand(en) verpakt
diff --git a/crates/ui-egui/src/i18n/pl.tsv b/crates/ui-egui/src/i18n/pl.tsv
index 6728f08a3..bfd546675 100644
--- a/crates/ui-egui/src/i18n/pl.tsv
+++ b/crates/ui-egui/src/i18n/pl.tsv
@@ -5254,6 +5254,16 @@ mark-style	Japanese	Japońskie
 	Fresco	Fresk
 	Effect Gallery…	Galeria efektów…
 	Effect Gallery Dialog	Okno dialogowe Galeria efektów
+	Arc Segment Tool Options	Opcje narzędzia Segment łuku
+	Base Along:	Podstawa wzdłuż:
+	Closed	Zamknięty
+	Convex	Wypukła
+	Fill Arc	Wypełnij łuk
+	Length X-Axis:	Długość osi X:
+	Length Y-Axis:	Długość osi Y:
+	Slope:	Nachylenie:
+axis	X Axis	Oś X
+axis	Y Axis	Oś Y
 @msg	Packaged {n} file(s) in {folder}	Spakowane pliki: {n} w {folder}
 @msg	Packaged {n} file(s) {note}	Spakowane pliki: {n} {note}
 @msg	Packaged {n} file(s)	Spakowane pliki: {n}
diff --git a/crates/ui-egui/src/i18n/pt-br.tsv b/crates/ui-egui/src/i18n/pt-br.tsv
index 2652b733e..8434a666f 100644
--- a/crates/ui-egui/src/i18n/pt-br.tsv
+++ b/crates/ui-egui/src/i18n/pt-br.tsv
@@ -5319,6 +5319,16 @@ mark-style	Japanese	Japonesas
 	Fresco	Afresco
 	Effect Gallery…	Galeria de Efeitos…
 	Effect Gallery Dialog	Caixa de diálogo Galeria de Efeitos
+	Arc Segment Tool Options	Opções da Ferramenta Segmento de Arco
+	Base Along:	Base ao longo de:
+	Closed	Fechado
+	Convex	Convexo
+	Fill Arc	Preencher arco
+	Length X-Axis:	Comprimento eixo X:
+	Length Y-Axis:	Comprimento eixo Y:
+	Slope:	Inclinação:
+axis	X Axis	Eixo X
+axis	Y Axis	Eixo Y
 @msg	Packaged {n} file(s) in {folder}	{n} arquivo(s) empacotado(s) em {folder}
 @msg	Packaged {n} file(s) {note}	{n} arquivo(s) empacotado(s) {note}
 @msg	Packaged {n} file(s)	{n} arquivo(s) empacotado(s)
diff --git a/crates/ui-egui/src/i18n/ru.tsv b/crates/ui-egui/src/i18n/ru.tsv
index 121c69b02..23f269d9a 100644
--- a/crates/ui-egui/src/i18n/ru.tsv
+++ b/crates/ui-egui/src/i18n/ru.tsv
@@ -5013,6 +5013,17 @@ lighting	Light	Свет
 	Fresco	Фреска
 	Effect Gallery…	Галерея эффектов…
 	Effect Gallery Dialog	Диалог «Галерея эффектов»
+	Arc Segment Tool Options	Параметры инструмента «Дуговой сегмент»
+	Base Along:	Основание вдоль:
+	Closed	Замкнутый
+	Concave	Вогнутый
+	Convex	Выпуклый
+	Fill Arc	Заливка дуги
+	Length X-Axis:	Длина по оси X:
+	Length Y-Axis:	Длина по оси Y:
+	Slope:	Уклон:
+axis	X Axis	Ось X
+axis	Y Axis	Ось Y
 @msg	Packaged {n} file(s) in {folder}	Упаковано файлов: {n} в {folder}
 @msg	Packaged {n} file(s) {note}	Упаковано файлов: {n} {note}
 @msg	Packaged {n} file(s)	Упаковано файлов: {n}
diff --git a/crates/ui-egui/src/i18n/sv.tsv b/crates/ui-egui/src/i18n/sv.tsv
index e667d47fe..794858f95 100644
--- a/crates/ui-egui/src/i18n/sv.tsv
+++ b/crates/ui-egui/src/i18n/sv.tsv
@@ -5358,6 +5358,16 @@ theme	Appearance	Utseende
 	Fresco	Fresk
 	Effect Gallery…	Effektgalleri…
 	Effect Gallery Dialog	Dialogrutan Effektgalleri
+	Arc Segment Tool Options	Alternativ för bågsegmentsverktyget
+	Base Along:	Bas längs:
+	Closed	Stängd
+	Convex	Konvex
+	Fill Arc	Fyll båge
+	Length X-Axis:	Längd X-axel:
+	Length Y-Axis:	Längd Y-axel:
+	Slope:	Lutning:
+axis	X Axis	X-axel
+axis	Y Axis	Y-axel
 @msg	Packaged {n} file(s) in {folder}	Paketerade {n} fil(er) i {folder}
 @msg	Packaged {n} file(s) {note}	Paketerade {n} fil(er) {note}
 @msg	Packaged {n} file(s)	Paketerade {n} fil(er)
diff --git a/crates/ui-egui/src/i18n/tr.tsv b/crates/ui-egui/src/i18n/tr.tsv
index d2bd8ad07..712abedc8 100644
--- a/crates/ui-egui/src/i18n/tr.tsv
+++ b/crates/ui-egui/src/i18n/tr.tsv
@@ -5361,6 +5361,17 @@ theme	Appearance	Görünüm
 	Fresco	Fresk
 	Effect Gallery…	Efekt Galerisi…
 	Effect Gallery Dialog	Efekt Galerisi İletişim Kutusu
+	Arc Segment Tool Options	Yay Segmenti Aracı Seçenekleri
+	Base Along:	Taban boyunca:
+	Closed	Kapalı
+	Convex	dışbükey
+	Fill Arc	Yayı doldur
+	Length X-Axis:	X ekseni uzunluğu:
+	Length Y-Axis:	Y ekseni uzunluğu:
+	Slope:	Eğim:
+axis	X Axis	X ekseni
+axis	Y Axis	Y ekseni
+
 @msg	Packaged {n} file(s) in {folder}	{folder} biçiminde paketlenmiş {n} dosyası/dosyaları
 @msg	Packaged {n} file(s) {note}	Paketlenmiş {n} dosyası/dosyaları {note}
 @msg	Packaged {n} file(s)	Paketlenmiş {n} dosyası/dosyaları
diff --git a/crates/ui-egui/src/i18n/uk.tsv b/crates/ui-egui/src/i18n/uk.tsv
index 5aeb9b144..2bf4ccc2b 100644
--- a/crates/ui-egui/src/i18n/uk.tsv
+++ b/crates/ui-egui/src/i18n/uk.tsv
@@ -4997,6 +4997,17 @@ lighting	Light	Світло
 	Fresco	Фреска
 	Effect Gallery…	Галерея ефектів…
 	Effect Gallery Dialog	Діалог «Галерея ефектів»
+	Arc Segment Tool Options	Параметри інструменту «Дуговий сегмент»
+	Base Along:	Основа вздовж:
+	Closed	Замкнений
+	Concave	Увігнутий
+	Convex	Опуклий
+	Fill Arc	Заливка дуги
+	Length X-Axis:	Довжина вздовж осі X:
+	Length Y-Axis:	Довжина вздовж осі Y:
+	Slope:	Ухил:
+axis	X Axis	Вісь X
+axis	Y Axis	Вісь Y
 @msg	Packaged {n} file(s) in {folder}	Упаковано файли: {n} {folder}
 @msg	Packaged {n} file(s) {note}	Упаковано файли: {n} {note}
 @msg	Packaged {n} file(s)	Упаковано файли: {n}
diff --git a/crates/ui-egui/src/i18n/vi.tsv b/crates/ui-egui/src/i18n/vi.tsv
index 00f5cf042..a66258d11 100644
--- a/crates/ui-egui/src/i18n/vi.tsv
+++ b/crates/ui-egui/src/i18n/vi.tsv
@@ -4997,6 +4997,17 @@ theme	Appearance	Giao diện
 	Fresco	Bích họa
 	Effect Gallery…	Thư viện hiệu ứng…
 	Effect Gallery Dialog	Hộp thoại Thư viện hiệu ứng
+	Arc Segment Tool Options	Tùy chọn công cụ cung phân đoạn
+	Base Along:	Cơ sở dọc theo:
+	Closed	Đóng
+	Concave	Lõm
+	Convex	Lồi
+	Fill Arc	Tô cung
+	Length X-Axis:	Chiều dài trục X:
+	Length Y-Axis:	Chiều dài trục Y:
+	Slope:	Độ dốc:
+axis	X Axis	Trục X
+axis	Y Axis	Trục Y
 @msg	Packaged {n} file(s) in {folder}	Đã đóng gói {n} tệp trong {folder}
 @msg	Packaged {n} file(s) {note}	Đã đóng gói {n} tệp {note}
 @msg	Packaged {n} file(s)	Đã đóng gói {n} tệp
diff --git a/crates/ui-egui/src/i18n/zh-hans.tsv b/crates/ui-egui/src/i18n/zh-hans.tsv
index be7bdf10b..0c0687a1b 100644
--- a/crates/ui-egui/src/i18n/zh-hans.tsv
+++ b/crates/ui-egui/src/i18n/zh-hans.tsv
@@ -5241,6 +5241,17 @@ lighting	Light	光源
 	Fresco	壁画
 	Effect Gallery…	效果库…
 	Effect Gallery Dialog	效果库对话框
+	Arc Segment Tool Options	弧段工具选项
+	Base Along:	基线方向:
+	Closed	闭合
+	Concave	凹
+	Convex	凸
+	Fill Arc	填充弧
+	Length X-Axis:	X 轴长度:
+	Length Y-Axis:	Y 轴长度:
+	Slope:	斜率:
+axis	X Axis	X 轴
+axis	Y Axis	Y 轴
 @msg	Packaged {n} file(s) in {folder}	已将 {n} 个文件打包到 {folder}
 @msg	Packaged {n} file(s) {note}	已打包 {n} 个文件 {note}
 @msg	Packaged {n} file(s)	已打包 {n} 个文件
diff --git a/crates/ui-egui/src/i18n/zh-hant.tsv b/crates/ui-egui/src/i18n/zh-hant.tsv
index 01e3a90b3..94344b535 100644
--- a/crates/ui-egui/src/i18n/zh-hant.tsv
+++ b/crates/ui-egui/src/i18n/zh-hant.tsv
@@ -5036,6 +5036,17 @@ lighting	Light	光源
 	Fresco	壁畫
 	Effect Gallery…	效果庫…
 	Effect Gallery Dialog	效果庫對話框
+	Arc Segment Tool Options	弧段工具選項
+	Base Along:	基線方向:
+	Closed	封閉
+	Concave	凹
+	Convex	凸
+	Fill Arc	填色弧形
+	Length X-Axis:	X 軸長度:
+	Length Y-Axis:	Y 軸長度:
+	Slope:	斜率:
+axis	X Axis	X 軸
+axis	Y Axis	Y 軸
 @msg	Packaged {n} file(s) in {folder}	已將 {n} 個檔案封裝到 {folder}
 @msg	Packaged {n} file(s) {note}	已封裝 {n} 個檔案 {note}
 @msg	Packaged {n} file(s)	已封裝 {n} 個檔案