diff --git a/crates/ui-egui/src/autosave.rs b/crates/ui-egui/src/autosave.rs
index e63bf1cbf..d062f69e9 100644
--- a/crates/ui-egui/src/autosave.rs
+++ b/crates/ui-egui/src/autosave.rs
@@ -150,7 +150,7 @@ pub fn show(app: &mut CadApp, ctx: &egui::Context) {
     let mut open = None;
     let mut discard = None;
     let mut later = false;
-    egui::Modal::new(egui::Id::unique("cc_drawing_recovery")).show(ctx, |ui| {
+    crate::modal::instant(ctx, egui::Id::unique("cc_drawing_recovery")).show(ctx, |ui| {
         ui.set_width(460.0);
         ui.label(RichText::new("Drawing Recovery").strong());
         ui.add_space(4.0);
diff --git a/crates/ui-egui/src/closing.rs b/crates/ui-egui/src/closing.rs
index 9e4f35ed8..04d526fa2 100644
--- a/crates/ui-egui/src/closing.rs
+++ b/crates/ui-egui/src/closing.rs
@@ -204,7 +204,7 @@ pub fn prompt(app: &mut CadApp, ctx: &egui::Context) {
     };
     let t = Tokens::get();
     let mut choice = None;
-    egui::Modal::new(egui::Id::unique("cc_close_prompt")).show(ctx, |ui| {
+    crate::modal::instant(ctx, egui::Id::unique("cc_close_prompt")).show(ctx, |ui| {
         ui.set_width(360.0);
         ui.label(RichText::new(crate::tl!("CADCraft")).strong());
         ui.add_space(4.0);
diff --git a/crates/ui-egui/src/lib.rs b/crates/ui-egui/src/lib.rs
index d3799dc36..a157a05aa 100644
--- a/crates/ui-egui/src/lib.rs
+++ b/crates/ui-egui/src/lib.rs
@@ -39,6 +39,7 @@ pub mod icons;
 pub mod layers;
 pub mod managers;
 pub mod menus;
+pub mod modal;
 pub mod opening;
 pub mod options;
 pub mod palettes;
diff --git a/crates/ui-egui/src/modal.rs b/crates/ui-egui/src/modal.rs
new file mode 100644
index 000000000..10c2ea562
--- /dev/null
+++ b/crates/ui-egui/src/modal.rs
@@ -0,0 +1,14 @@
+//! Alerts that appear in the frame that asks for them.
+//!
+//! An `egui::Modal` normally shows a frame late and then fades in over `animation_time`
+//! (0.2 s): its area's first frame only measures it and draws nothing, and the dim behind it
+//! fades with it. An alert that answers a key press or menu choice should be there at once.
+
+/// A modal with no fade-in. On its first show it asks egui to run the pass again with the
+/// measured size, so the first frame presented already draws it.
+pub fn instant(ctx: &egui::Context, id: egui::Id) -> egui::Modal {
+    if egui::AreaState::load(ctx, id).is_none() {
+        ctx.request_discard("an instant modal's first show only measures it");
+    }
+    egui::Modal::new(id).area(egui::Modal::default_area(id).fade_in(false))
+}
diff --git a/crates/ui-egui/tests/it/instant_modals.rs b/crates/ui-egui/tests/it/instant_modals.rs
new file mode 100644
index 000000000..7a7797803
--- /dev/null
+++ b/crates/ui-egui/tests/it/instant_modals.rs
@@ -0,0 +1,41 @@
+//! "Save changes?" is fully drawn, dim included, in the frame of the Close that asks it.
+
+use cadcraft_engine::Session;
+use cadcraft_ui_egui::{CadApp, Services, menus};
+use egui::epaint::Shape;
+use egui::vec2;
+use egui_kittest::Harness;
+use serde_json::json;
+
+/// The opacity of each painted text containing `needle`.
+fn text_opacity(shapes: &[egui::epaint::ClippedShape], needle: &str) -> Vec<f32> {
+    fn walk(shape: &Shape, needle: &str, out: &mut Vec<f32>) {
+        match shape {
+            Shape::Vec(shapes) => shapes.iter().for_each(|s| walk(s, needle, out)),
+            Shape::Text(text) if text.galley.text().contains(needle) => out.push(text.opacity_factor),
+            _ => {}
+        }
+    }
+    let mut out = Vec::new();
+    shapes.iter().for_each(|s| walk(&s.shape, needle, &mut out));
+    out
+}
+
+#[test]
+fn close_prompt_is_fully_drawn_in_the_frame_of_the_menu_choice() {
+    let mut app = CadApp::new(Session::default(), Services::default());
+    app.ui.start_tab = false;
+    let mut h = Harness::builder().with_size(vec2(1280.0, 800.0)).build_ui_state(
+        |ui, app: &mut CadApp| {
+            app.logic(&ui.ctx().clone());
+            app.ui(ui);
+        },
+        app,
+    );
+    h.run_steps(5);
+    h.state_mut().run("line", json!({"points": [[0, 0], [10, 0]]})).unwrap();
+    h.run_steps(2);
+    menus::activate(h.state_mut(), "close");
+    h.step();
+    assert_eq!(text_opacity(&h.output().shapes, "Save changes to"), [1.0]);
+}
diff --git a/crates/ui-egui/tests/it/main.rs b/crates/ui-egui/tests/it/main.rs
index 2e2451579..5faf3135b 100644
--- a/crates/ui-egui/tests/it/main.rs
+++ b/crates/ui-egui/tests/it/main.rs
@@ -12,6 +12,7 @@ mod drafting_spacing;
 mod file_tab_titles;
 mod gpu_viewport_stencil;
 mod hidden_command_line;
+mod instant_modals;
 mod lisp_files;
 mod measure_distance_snapping;
 mod menubar_hover;