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Author SHA1 Message Date
bherbruckandClaude Opus 5.5 66df249c0f Plastic: Rest (round or rectangular pad, solid or hollow wall, draft) and Plastic Rules (the six-rule library, design rules from expressions using Thickness, active rule, rules assigned to bodies; a body's rule gives Boss and Rest their draft and grooves their clearance), plastic.rules; docs/oracle.md lists the plastic features as no oracle (licence) with the analytic tests that cover them 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:50:50 +00:00
bherbruckandClaude Opus 5.5 1db841aa76 Insert DXF: block references expanded (INSERT with scale, rotation, column/row arrays, nested blocks with a depth cap; non-uniform scale turns circles into ellipses), paper-space entities skipped; DXF/SVG insert joins ends within a tolerance (default 0.0001 mm, tolerance param) so nearly-closed drawings make profiles 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:46:32 +00:00
bherbruckandClaude Opus 5.5 7757e6d9c7 Construction toggle on every curve type: the selection switches as a whole (slots, polygons; to construction unless all already are), projected curves too; construction curves are drawn dashed and centerlines dash-dot; profiles update at once 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:36:15 +00:00
bherbruckandClaude Opus 5.5 00ddaa25f5 Canvas and Decal (FusionAddCanvasCommand, FusionAddEditDecalCommand): PNG/JPEG reference images stored in the design (base64), placed on an origin/construction plane, a sketch plane or a planar face; canvas.edit (position, width, angle, opacity, flip, visibility), canvas.calibrate (scale by a known distance), canvas.delete; drawn textured in the viewport; toolbar tools pick the file, then the plane or face 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:31:06 +00:00
bherbruckandClaude Opus 5.5 5b8816aa7d Fix/Unfix on every sketch entity: points (Fix constraint) and lines, arcs, circles, ellipses, splines and conics (fixed curves hold their points and radius); ConstraintFix takes entities (fixes them all unless all are fixed); the toolbar button and the context menu act on the whole selection; fixed points never move when dragged or solved; projected geometry counts as fixed; fixed geometry is drawn green; sketch.inspect reports fixed 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:12:13 +00:00
bherbruckandClaude Opus 5.5 187ffd0a03 Sketch dimensions drawn as dimensions: extension lines, dimension lines and arcs with arrowheads (flipped outside when tight), the value centred on the line (fx: for expressions), R/Ø leaders, angle arcs, arc-length mark, driven ones in parentheses in a muted colour; click selects, Delete removes, drag moves the text (sketch.dimension_text, kept relative to the dimension), double-click edits the value in place with parameter completion 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:44:24 +00:00
bherbruckandClaude Opus 5.5 4adfd69d6a Plastic: Boss (draft, root fillet, hole, ribs), Lip and Groove along a shelled body's rim (inside or outside edge, groove clearance), Snap Fit (cantilever arm with a catch) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:43:27 +00:00
bherbruckandClaude Opus 5.5 4c64ceed5c Curvature Comb Analysis (FusionCurvatureCombAnalysisCommand): combs on sketch curves (exact, from their Bézier/conic pieces) and model edges, with minimum radius; interactive tool draws teeth and envelope; ignored large-sketch timing test (sketch_perf) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:40:33 +00:00
bherbruckandClaude Opus 5.5 e5560e8035 Sheet metal: rules as expressions (Thickness, K-factor, bend radius, reliefs, gaps; may use parameters), sheet bodies kept as flat patterns and sewn folded from exact faces (new kernel::sew), Flange (base, edge with height to the outer face, angle, inside/outside/middle, several edges at once with corners closed to the rule gap, contour from an open chain), Hem, Unfold/Refold with cut-outs that follow the bends, Convert to Sheet Metal, flat pattern with bend lines and bend table, DXF export; recipes: sm_flange, sm_hem, unfold/refold, rule edits (oracle 67-76 all pass) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:11:35 +00:00
bherbruckandClaude Opus 5.5 457ed7fed7 Offset works on splines, ellipses and conics (and chains through them): the offset curve becomes a fit spline within a few hundredths of a millimetre 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:55:48 +00:00
bherbruckandClaude Opus 5.5 205ddfcf27 Sketch Fillet on corners of a line and an arc or two arcs (the tangent arc nearest the corner, curves cut back to it, radius dimension) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:43:58 +00:00
bherbruckandClaude Opus 5.5 9a9caa6511 Browser tree: components with an activation radio (others drawn faded), ground pin, groups in Bodies/Sketches/Construction (new, from selection, rename, ungroup, kept in the design: browser.group/ungroup/rename_group/move/order), drag and drop to reorder, into and out of groups and into another component, Ctrl/Shift multi-select, hover lights the bodies, folds remembered; occurrence Move/Copy with a gizmo and Capture Position/Revert; the viewport shows bodies where their occurrences place them 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:37:36 +00:00
bherbruckandClaude Opus 5.5 94a0cdef77 Ellipse dimensions: major radius (type major: centre to axis end) and minor radius (a radius dimension on the ellipse) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:34:02 +00:00
bherbruckandClaude Opus 5.5 d285cedd73 Trim and Break on ellipses, splines and conics: cut at the exact crossings (alternating projection onto both curves), pieces stay exact (Bézier spans as single-span control splines, conic arcs as conics); geom Seg2::split_at and closest_param 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:23:40 +00:00
bherbruckandClaude Opus 5.5 097217a3f3 Sketch drawing: points dropped on a curve stay on it ("on:<curve>:x,y" point arguments add a point-on-curve constraint; On hint while drawing) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:12:37 +00:00
bherbruckandClaude Opus 5.5 a6dc759a02 Fix: rectangles over-constrained after an edit (dragged sides collapsed) 
Parallel and perpendicular residuals were the cross/dot product over the sum of
the line lengths, so the solver could satisfy them by shrinking a line to
nothing. Dragging a corner of a rotated (3-point) rectangle collapsed a side to
zero; every later dimension then conflicted. The residuals are now the sine or
cosine of the angle (over the product of the lengths), which shrinking can't
improve. Tests drag, dimension, pin and square center, 2-point and 3-point
rectangles and check their degrees of freedom; oracle unchanged at 53/66.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 03:03:27 +00:00
bherbruckandClaude Opus 5.5 c2309eb43b Joints engine: joint origins that snap to faces, round ends or points (re-found on every solve, so joints follow edits), joints (rigid, revolute, slider, cylindrical, pin-slot, planar, ball) with values, limits, flip and offset, As-built Joint, Rigid Group, Drive Joints, Motion Link, a joint-graph solver from grounded occurrences (degrees of freedom per occurrence, loop conflicts reported), Interference between bodies 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 02:59:56 +00:00
bherbruckandClaude Opus 5.5 13b72bb011 Sketch drawing: clicking a model vertex projects it into the sketch (linked point) and draws from it, as Fusion does ("vertex:x,y,z" point arguments) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 02:58:43 +00:00
bherbruckandClaude Opus 5.5 063d55bdb3 Sketch drawing: a point snapped to a line's midpoint stays there ("mid:<line>" point arguments add a MidPoint constraint) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 02:45:17 +00:00
bherbruckandClaude Opus 5.5 31030ed008 Exact free-form profiles: geom Seg2 gains cubic Béziers and conics (rational quadratics: exact length, area, split, tangents); sketch ellipses, conics, text, fit splines and control splines up to degree 3 enter profiles as exact segments wherever a loop uses a whole segment, and the kernel builds them as B-spline / NURBS edges (an extruded ellipse is three faces with the exact volume) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 02:16:00 +00:00
bherbruckandClaude Opus 5.5 fa8da64613 Context menus: radial marking menu in the viewport (Repeat on top, Undo, Delete, Press Pull, Create Sketch, Extrude, Move/Copy, Hole; right press-and-hold or a right drag on the ring flicks to pick), contextual lists for faces, edges, bodies, sketch entities (construction, fix, applicable constraints) and empty space; browser menus for bodies, sketches and components; rename box, Properties window; body.rename and sketch.redefine commands; ui.menu / ui.menuPick / ui.rename control methods 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 01:38:52 +00:00
bherbruckandClaude Opus 5.5 1b664bb1b0 Sketch UI: click a constraint glyph to select it, Delete removes the constraint; glyphs sit half way along their curve; lighter randomized sketch test 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 01:31:16 +00:00
bherbruckandClaude Opus 5.5 9df954cd94 Coil (PrimitiveCoil: diameter, two of revolutions/height/pitch, circular or square section inside/on/outside, start angle, handedness) on a new kernel helical sweep; loft to a point (sketch point sections, pyramids); recipes: a sweep along a fitted 3D helix replays as a coil (oracle 49, compared within 0.5% since Fusion's path is a spline fit) and loft point sections (oracle 37) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 01:19:55 +00:00
bherbruckandClaude Opus 5.5 4455402eab Sketch profiles: grid-accelerated splitting and node merging, bounding-box nesting (large sketches several times faster); randomized sketch-editing test (thousands of mixed create/modify/constraint/projection/undo steps: no panics, designs round-trip) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 01:11:36 +00:00
bherbruckandClaude Opus 5.5 10e66785b1 Patterns of components (rectangular, circular or path: new occurrences at each placement); path pattern orientation test 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:51:24 +00:00
bherbruckandClaude Opus 5.5 1988594a13 Section Analysis (FusionHalfSectionViewCommand, INSPECT): cut the view by an origin plane, construction plane or planar face with an offset (drag arrow) and flip; the inside of cut bodies shows a flat cap colour; live while the dialog is open, Remove Section on the right-click menu; viewport shader validated in a test 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:45:44 +00:00
bherbruckandClaude Opus 5.5 b5051b2744 Rib and Web (to the next face or a depth, flip), Emboss/deboss on planar faces (EmbossCmd), Replace Face onto a parallel plane or face, Align (point to point, face to face), Remove (SoftDeleteCommand), timeline Copy/Paste of features (independent copies: own dimension parameters and input names, references remapped, optional translation) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:42:26 +00:00
bherbruckandClaude Opus 5.5 075808e7ee Pattern on Path (PatternOnPath: spacing or first-to-last distance, flip, identical or path orientation; instance k moves by path(k·d) − path(0)), rectangular/circular/path patterns of bodies; recipes: path_pattern (oracle 53 passes) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:42:26 +00:00
bherbruckandClaude Opus 5.5 02de01f87c Projection keeps free-form geometry exact: tilted circles project to ellipses and tilted arcs to conics (rational quadratic arcs), other sketches' ellipses, splines and conics in parallel planes map exactly, and smooth edges that are neither lines nor arcs become fit splines instead of line chains 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:38:11 +00:00
bherbruckandClaude Opus 5.5 9330ee5698 STEP export: AP242 file of our own, names, colours, components as assemblies 
Our writer assembles the file: AP242 header and contexts, a product per part
(or per component, with NEXT_ASSEMBLY_USAGE_OCCURRENCE and item-defined
placements per occurrence), named solids, surface colours as styled items,
ADVANCED_FACE for advanced breps. truck now writes only each body's B-rep,
which we copy in; identical geometric entities are written once and shared.
Designs with components export as assemblies (bodies in component frames).

step_validate also rejects unreferenced non-root entities. Tests: the sample
plate and a component assembly export, validate and read back with no
warnings and the same volume, area and face counts; the oracle replay checks
area and faces too (39 rebuildable cases pass). An independent Part 21
parser (step-p21, run outside the repo) accepts our exports.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:16:52 +00:00
bherbruckandClaude Opus 5.5 dd7485503a Parameters: unit-aware parameters (an inch parameter reads bare numbers as inches), atan2/mod/trunc and clearer unit errors, cycle paths (a → b → a), rename with every reference following (expressions, feature inputs, dimensions, favourites, comments), deletes refused with the list of users, parameter errors shown on the features using them, parameters.add/rename/delete/comment/users/graph/complete and expr.evaluate; ChangeParameterCommand renames and favourites; hostile test no longer writes stray files 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:15:22 +00:00
bherbruckandClaude Opus 5.5 a88b8eb6b3 SketchConstrainer (applies the constraint one or two entities nearly satisfy) and sketch.toggle_driven (driven/driving dimensions, with over-constraint check) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:12:56 +00:00
bherbruckandClaude Opus 5.5 57d01f8405 Kernel: revolved faces turned away from the angle wrap (booleans with revolved bodies work), cuts that leave pieces make separate bodies, trivial booleans (clear of / inside) by sampling, body mirrors with join; recipes: pattern source names, thread, holes at sketch points, mirror of bodies 
Oracle: 43/66.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 00:00:51 +00:00
bherbruckandClaude Opus 5.5 cb01314d35 3D sketch curves (wires): Include 3D Geometry keeps out-of-plane edges and curves 3D; Project To Surface (curves onto a face along the sketch normal), Intersection Curve (bodies/faces), Isoparametric Curve (u/v or a direction), Spun Profile (a body's outline about an axis) and Fit Curves to Mesh Section; all linked and re-resolved; wires drawn, inspected and deletable 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:59:59 +00:00
bherbruckandClaude Opus 5.5 beab69cfb2 Measure tool (I): pick one or two vertices, edges or faces for length/area/position, minimum distance with ΔX/ΔY/ΔZ and a line in the view, and the angle between planar faces or straight edges (MeasureCommand items, engine test); theme switch from the control channel no longer leaves stale scene colours 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:54:36 +00:00
bherbruckandClaude Opus 5.5 3ab3e961de Sketch: drawing infers tangent (from an arc end) and perpendicular (from a line end) constraints; profile finding prefilters crossings by bounding box (text and free-form sketches 30x faster); large-sketch solver tests 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:33:45 +00:00
bherbruckandClaude Opus 5.5 f0cfeba59b Parameters engine: feature inputs as named model parameters (dN, editable, referenceable), parameters table with sources, values, dependencies (uses/used by) and cycles, favourites, comments, CSV/JSON export and import; more units (inch, mil, yd, km, nm) and functions (exp, ln, log, sign, pow, hypot) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:23:50 +00:00
bherbruckandClaude Opus 5.5 6f349b79f5 AutoConstrain (from datum, and Finish with AutoConstrain): infers coincident, horizontal/vertical and tangent constraints, then dimensions until fully constrained; Insert DXF (ASCII: lines, arcs, circles, bulged polylines, ellipses, splines, text; $INSUNITS) and Insert SVG (paths with all commands, shapes, transforms, units; Béziers kept exact as splines/conics; text) into sketches; sketch.export_dxf; text outline points hidden (view::sketch_point_visible) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:22:28 +00:00
bherbruckandClaude Opus 5.5 97d03e3824 Components: occurrences with transforms (instances and Paste New copies), world placement of the model (Session::world_state for display, measure, export), active component authoring frame, move/ground/capture/revert positions, move bodies and sketches between components, rename/delete, migration of older designs 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:10:41 +00:00
bherbruckandClaude Opus 5.5 54ee20bef4 Sketch constraints and dimensions: Curvature (G2, ConstraintSmooth) and Polygon constraints; redundant constraints and dimensions are refused as over-constraining (Fusion behaviour), with driven (reference) dimensions that measure instead; arc length and linear diameter (about a centerline) dimensions; sketch.glyphs (constraint glyph anchors, conflicts) and sketch.snap (coincident/midpoint/on-curve/horizontal/vertical inference); solver damping floor keeps weakly seen variables from flying off 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:10:03 +00:00
bherbruckandClaude Opus 5.5 840eddb875 Pipe (solid or hollow, along sketch curves), Bounding Solid, Scale (uniform or per axis), Offset Face (planar faces), physical materials with mass in Measure; sweeps keep profile holes 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:00:57 +00:00
bherbruckandClaude Opus 5.5 b3ca8911eb Holes at sketch points (one feature, many holes, following the points) and threaded holes; cosmetic threads (FusionThreadCommand, ISO metric, model.threads); components groundwork: the document is a component tree (New Component, Create Components from Bodies, active component, component.list) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 23:00:57 +00:00
bherbruckandClaude Opus 5.5 6e20038906 Sketch Blend Curve (tangent control-point spline between two curve ends) and the Centerline line type (sketch.centerline: left out of profiles, drawn as an axis) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 22:55:34 +00:00
bherbruckandClaude Opus 5.5 2491c40fef Sketch Text (MTextCmd, sketch.edit_text): glyph outlines of the embedded Liberation Sans (SIL OFL 1.1, attributed) as lines and conics that close into extrudable profiles; editable text, height, position and angle 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 22:49:49 +00:00
bherbruckandClaude Opus 5.5 8d7a0cf3d0 Sketch free-form curves: Ellipse (centre, major axis end, minor radius), Fit Point and Control Point (degree 3 and 5) Splines, Conic Curve (rho); solved like other curves (points on them, tangency at shared ends, drag fit points), profiled as polylines; mirror/pattern/move/scale copy them; Tangent Arc continues splines and conics 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 22:35:04 +00:00
bherbruckandClaude Opus 5.5 73f68f3f50 Sketch tools: Midpoint Line, Tangent Arc, 2-Tangent and 3-Tangent Circle, Center Point Slot, three-point and center-point Arc Slots; Trim, Extend, Break, sketch Fillet (radius dimension), equal/distance-angle/two-distance Chamfers, Offset (chains, side point), Mirror (symmetry constraints), Circular and Rectangular sketch patterns, Sketch Scale, sketch.move (move/rotate/copy) 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 22:20:17 +00:00
bherbruckandClaude Opus 5.5 b2b9331415 Drag manipulators and automatic operation: extrude (two arrows when symmetric), fillet/chamfer, shell and move arrows drag their value with round-step snapping (Alt/Ctrl: free) and the dialog follows; Extrude operation "auto" (engine) and the dialog follow the geometry: into a body cuts (red), out of one joins, free space makes a new body; a manual choice sticks 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 21:58:43 +00:00
bherbruckandClaude Opus 5.5 9301bc4210 Sketch projection: Project (edges, face loops, body silhouettes, vertices, other sketches' curves and points, origin, axes, planes), Intersect (body/face/edge section with the sketch plane) and Include 3D Geometry as linked reference geometry: fixed, purple, re-resolved on every recompute (follows upstream edits, keeps ids when the shape is unchanged, flagged when the reference is lost), usable in profiles, constraints and dimensions; Break Link; sketching on a face auto-projects its edges (sketch.auto_project); drawing on a model vertex or edge projects it 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 21:58:18 +00:00
bherbruckandClaude Opus 5.5 eb22a149b1 Sketch inline dimensions while drawing (line length/angle, rectangle width/height, circle diameter, arc radius/sweep, polygon radius/sides, slot length/width): boxes sit on what they measure, typing goes into the first box and locks it, Tab moves on, Enter places the shape, typed values become dimension constraints (expressions and units); Press Pull (Q: faces extrude/cut by sign, edges fillet), X toggles construction on selected curves, Move dialog (M) with preview 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 21:40:14 +00:00
bherbruckandClaude Opus 5.5 ea3dd0ed6e 3MF: export, and 3MF/STL import as mesh bodies 
Export: ExportCommand/CLI --out/MCP export with .3mf write a 3MF Core package
([Content_Types].xml, _rels/.rels, 3D/3dmodel.model; millimetres), one
mesh object and build item per body, named after it, vertices shared and
welded watertight (T-junctions between faces split), base-material colours
when bodies carry one (STEP colours now ride on bodies). Tessellation as
for STL. File > Export 3MF.

Import: doc.open/drag-drop/CLI/MCP open accept .3mf and .stl; Insert Mesh
(ParaMeshInsertAlignCommand) adds them to a design as a MeshImport feature.
Kernel mesh bodies render, measure exactly, move and export; solid
features refuse them with a clear error. 3MF reading flattens components
and build transforms, converts units, reads colours; sizes, entries,
nesting and element counts are capped.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-07 21:30:38 +00:00