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* EXPLODE: a block reference with different X and Y scales gives ellipses, not circles EXPLODE of a block reference whose X and Y scales differ kept its circles as circles with the mean scale, its arcs as circular arcs, its ellipses with their old ratio and its polyline arcs as circular bulges: not the shape the reference draws. BURST and INSERT with explode go the same way. When the reference's transform isn't a similarity, a circle now becomes a full ELLIPSE, an arc an elliptical arc, an ellipse gets its true axes, and a polyline with arc segments (and no widths) its lines and elliptical arcs. Everything else, and every evenly scaled or mirrored reference, transforms as before. The exact ellipse transform and the similarity test move unchanged from snap.rs to cadcraft-geom (Ellipse::transformed, Mat3::similarity_scale) and are shared by object snaps and EXPLODE. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> * contributors: add Tyler-Chiriboga Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> --------- Co-authored-by: Tyler Chiriboga <18270301+Tyler-Chiriboga@users.noreply.github.com> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com> Co-authored-by: Brandon Thomas <echelon@gmail.com>