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CypherNaugh_0x 848e7aec0e feat: pick sketch profiles by their bounding curve ids so features keep the same region when parameters move the geometry, matching curves cut into pieces, refusing ambiguous or missing picks instead of taking another region, and storing point picks by curves 2026-10-11 10:17:25 +02:00
bherbruck 17e8e3eff2 Merge pull request #109 from CypherNaught-0x/fix/timeline-modifier-highlighting 
Highlight fillets and other modifier faces from the timeline
 2026-10-10 20:56:59 -04:00
bherbruck 4b7e1d317d fix: load designs off-thread and cache recent thumbnails as PNGs 2026-10-10 20:55:14 -04:00
CypherNaugh_0x 5275911b44 Highlight modifier faces from timeline hover and selection 2026-10-11 01:59:02 +02:00
CypherNaugh_0x c61b77613a solid.cylinder, box, sphere, torus and coil place by expressions: base, corner and center take numbers or length expressions per coordinate ("basin_width/2", "10 mm") and follow parameter changes, renames and component frames; before, a point that was not three plain numbers (or an unreadable axis) was silently replaced by the origin (or Z). The features now store the point as expressions (plain numbers still saved as numbers, so existing designs read and write the same) and evaluate it on every recompute; an unreadable or out-of-range point or axis is refused with an error. Tests: primitive points take expressions, follow parameters, renames and a moved component, and bad points are refused 2026-10-10 18:37:22 -04:00
bherbruck d6cdec40da Fix modelling regressions and reconcile WIP UI work 2026-10-10 15:37:00 -04:00
CypherNaugh_0x 49bd89de13 Parameter and feature edits report the features they restored from the evaluation cache: setting a parameter back (or a timeline.edit back) reused the earlier results for the same inputs, so the geometry changed back but recomputed said 0, which read as "nothing rebuilt". The evaluator now counts cache hits as last_restored, and parameters.change, timeline.edit, timeline.redefine and solid.press_pull on a fillet or chamfer face report it as restored next to recomputed (params docs, the MCP set_parameter description and docs/mcp.md say what each counts). Tests: setting a parameter back and a feature edit back report restored, in the evaluator and through the commands 2026-10-10 15:36:42 -04:00
bherbruckandClaude Opus 5.5 be18bd6573 Variable-radius fillets through middle points: radii at positions along the edge, straight or smooth between 
kernel::fillet_variable_points(body, edge, start, [(position, radius)...], smooth): the radius law is a B-spline of the edge parameter (straight pieces, or C1 cubic pieces with Catmull-Rom slopes), and since every section's arc is affine in its radius the blend is exactly a rational B-spline (degree 2 across, the law's degree along) with B-spline contact curves on the faces. The largest radius along the edge decides whether the blend fits. Fillet type variable takes mid: [[position, radius expr], ...] and smooth; middle radii are parameters of the feature (Mid radius) and follow user parameters. Tests: straight pieces against (1 - pi/4) L (a^2 + ab + b^2) / 3 per piece, smooth against the integrated law, either end as start, refusals; engine test with a parameter-driven middle radius.

Refs #9

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT
 2026-10-10 06:06:33 +00:00
bherbruckandClaude Opus 5.5 72bc6fb010 A pattern or mirror of a suppressed feature has nothing to copy: its copies go with it and the pattern warns (the acceptance enclosure loses all four standoffs when Standoff is suppressed); scenario acceptance_pattern_of_suppressed_feature enabled 
Fixes #42

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT
 2026-10-10 05:27:01 +00:00
bherbruckandClaude Opus 5.5 4c8f080691 Faces split on purpose stay split: the body remembers its Split Face lines, export and healing keep the pieces apart 
Split Face records the new edges as polylines on the body (Body::split_lines); the document carries them through later features. STEP export no longer joins pieces of one surface across such a line, and healing (fillets, chamfers, booleans, shell, draft) no longer merges coplanar pieces there, while incidental pieces (boolean leftovers, seam halves) still merge as before. Tests: plane and cylinder splits keep their face count through a STEP round trip (and join without the record), a second split keeps both lines, and an engine test exports a split box after a fillet with 8 faces.

Fixes #11

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01RjGw4gA5ZvKrU8MQP6sBgT
 2026-10-09 21:31:16 +00:00
bherbruckandClaude Opus 5.5 517b7a911c Split Face cuts with the sketch's exact segments (lines and arcs, kernel::SplitTool::Curves now takes Seg2); a test fillet gets its style 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 846bb112e2 Construction axes, points and planes from model geometry (SOLID ▸ CONSTRUCT): axes through a cylinder/cone/torus, perpendicular to a face at a point, through two planes, two points or an edge; points at a vertex, through two edges, three planes, at the centre of a circle/sphere/torus, at an edge and a plane, along a path; midplane, planes through two edges or three points, tangent to a face, along a path. References (doc::construct::GeoRef) keep picked faces and edges by persistent name and resolve on each evaluation (they follow the model); results live in ModelState.construct, in the component's frame; view::construction_axes/points/planes for the viewport; kernel::face_surface for a face's analytic surface 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 68271137a5 Split Face (FusionSplitFaceCommand): a timeline feature dividing the picked faces where a plane, another body's face (its surface extended) or a sketch's curves meet them, through kernel::split_faces; the solid is unchanged and the pieces take the face's name with #k. Rebase fixes: duplicate Chamfer and Combine specs; the Delete selection's face test expects Delete Face's refusal 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 3db6119cc6 Delete Face (face.delete, and faces in the Delete selection): a timeline feature that removes faces and heals the gap from the neighbouring planes through kernel::delete_faces; a picked face brings the rest of its surface (both halves of a hole's wall); face picks are stored by persistent name; a face its neighbours can't close is refused with the kernel's reason 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 141a5fea8a Modelled threads (Thread with modeled: true): the ISO 68-1 profile cut along a helix, M3 to M20, on shafts and in bores; running out past a free end of the face, stopping square at a set length. The groove is a watertight screw-sweep mesh (kernel::sweep_helix_mesh) cut by kernel::faceted_boolean (BSP on the faceted body, tolerance ladder checked by A−B + A∩B = A); the polygon rebuild welds vertices across grid cells, splits pinched loops, finds T-junctions through a grid, and takes the group's plane for a loop a hair off flat 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 1f619e49cc Extrude and Revolve To Object on curved faces follow the face: the tool runs through the target body and is cut back to its surface (the piece that starts at the profile); tests against a cylinder and a sphere (volumes by integration) and a revolve ending on a post; Shell Outside/Both on a cylinder through the exact curved offsets 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 1e515547d8 Boundary Fill (SurfaceSculpt): solids from the cells tool bodies enclose (inside some tools, outside the rest), each picked by a point, as new bodies or joined/cut/intersected, tools optionally removed 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 214dcf7524 Hole To Object (drill to the face the axis meets there, or a point's depth; kept by persistent face name, copies in patterns move it too) and holes at every point of a sketch (standalone points and circle centres) when only the sketch is given 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 8e36d5d2fe Shell Outside and Both (walls grown out of the faces, or half out and half in: an offset body less a cavity) and tangent-chain face selection (open faces joined smoothly to the picked ones, by the surface normals either side of each edge) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 a46d00f361 Revolve Two Sides (angle2), Symmetric (angle split either side) and To Object (turn until a face, vertex or point, kept by persistent face name) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 ab328ae018 Extrude To Object (a face, vertex or point; parallel faces by their plane, others where the profile's middle meets them; to_offset past it) and From Object (start at a face or point); both kept by persistent face name 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 9ee8ba5dd7 Imported looks outlive later features: a body's imported colour, opacity and face colours (kernel paint, dropped by operations) are carried to the next version of the body, its faces by persistent name (split faces keep the colour, new faces take the body's); assigned face appearances already follow their faces by name 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-09 12:47:56 +00:00
bherbruckandClaude Opus 5.5 c0e3e3d216 Variable-radius and chord-length fillets 
New kernel file blend_variable.rs. The hooks into blend.rs are visibility
only: plane_normal, vtx, rebuild_face and unsupported are now pub(crate).
- fillet_variable(body, edge, start, r0, r1) works on the same edge
  configuration as the constant fillet (straight edge, planar faces, end
  faces square to it). The radius runs linearly from the end nearest
  `start`, and every section square to the edge is a circular arc. The
  blend is an exact degree (2, 1) rational B-spline: arc control points
  move linearly.
- fillet_chord(body, edges, chord): the radius per edge comes from its
  face angle (chord = 2 r cos(phi/2)).

Fillet feature: style constant | chord | variable {radius2, start};
FusionFilletEdgesCommand takes type, radius2 and start.

Tests:
- Variable 2 -> 5 on a box edge removes (1 - pi/4) L (r0^2 + r0 r1 + r1^2)/3.
  Starting from the other end gives the same solid; equal radii give the
  constant fillet; too large is refused.
- Chord 4 on a right angle equals radius 4/sqrt(2).
- Engine: both types by command.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 21:30:58 +00:00
bherbruckandClaude Opus 5.5 b8d00aea13 Surface Extend: a planar surface's straight edges pushed out (FusionExtendCommand) 
Kernel extend(body, edges, distance) moves the picked straight edges of a
planar surface outward in its plane, with neighbours meeting them. Doc
feature SurfaceExtend, engine FusionExtendCommand. Tests: 10x10 extended
by 5 past one edge gives 150, past two gives 225; the engine patch, trim,
extend and thicken gives 240.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 17:31:57 +00:00
bherbruckandClaude Opus 5.5 dd6c8e1a6b Surface bodies: Patch, Stitch, Trim and Thicken 
Kernel (surfaces):
- Bodies with an open shell are surface bodies (Body::is_surface).
- patch_region: a planar patch of a sketch region. patch_edges: a planar
  patch filling a closed loop of a body's edges.
- copy_faces: faces copied out as a surface.
- stitch: sew surfaces along coinciding edges, turning faces to agree; the
  result is a solid when it closes.
- trim: cut a surface by a plane or face and keep one side.
- thicken: offset planar and circular-cylindrical faces along their
  normals (one side or symmetric) into a solid. Plane copies slide;
  cylinder copies scale about the axis, exact for NURBS circles. Free
  edges get ruled walls. Faces meeting at a sharp edge are refused.

Doc features Patch, Stitch, Thicken (with operations) and SurfaceTrim;
engine commands FusionSurfacePatchCommand, FusionSurfaceStitchCommand,
FusionSurfaceThickenCommand and FusionSurfaceTrimCommand.

Tests (volumes):
- A 10x10 patch thickened by 2 gives 200, also symmetric.
- Half a cylinder side thickened outward gives half a ring; both halves
  inward give the full ring.
- Six faces of a box stitched back give 6000; an open box with its top
  patched from the edges, stitched, gives 6000.
- Trim keeps 30 or 70 of 100.
- Engine: patch, trim, thicken gives 140.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 17:31:57 +00:00
bherbruckandClaude Opus 5.5 feaaba156e Split Body by a face of a body: FusionSplitBodyCommand tool {body, point} 
The Split feature takes an optional face tool (FaceAt, the face through a
point on a named body) and splits with kernel split_body, the tool's
surface extended; otherwise the plane as before. Engine test: a box split
by a cylinder's side into the core and the rest.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 17:31:57 +00:00
bherbruckandClaude Opus 5.5 35ac9569dc Holes as deep as the material: a drilled hole whose drill point would start exactly on the exit face is cut through (QA: depth = plate thickness failed with coincident faces on curved bodies) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 15:41:02 +00:00
bherbruckandClaude Opus 5.5 8497542a3d Chamfers with two distances or a distance and an angle (distance2 / angle, flip for which face comes first), on straight edges between planar faces; pattern copies keep them 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 15:41:02 +00:00
bherbruckandClaude Opus 5.5 7a2eb059c4 Components are frames (user bug #4) 
What a component holds moves with its occurrence, and picks in the world land in the
component's frame:
- Sketches and construction planes show where their component is placed (free move, joint
  drive, Capture Position); sketch.inspect reports sketch points in the world.
- frames.rs maps a command's world picks into the frame of the body they lie on (through the
  inverse of its placement: a moved component or a pasted instance), points that make new
  geometry into the active component's frame, and directions with them; instance body names
  ("Body1 (Pin:2)") become the component's body. Fillet/chamfer edges, shell/offset/draft
  faces, face extrude/revolve, sketch on face, holes, sheet metal and plastic picks, primitives,
  appearance faces, analyses. Once per command (not again for commands run by commands); the
  active-frame fallback stays for commands without a table. Nothing changes while every
  placement is the identity.
- component.move_bodies keeps a body where it is in the world (Document.body_offsets: from the
  new component's frame to the one it was made in; renames and deleted components follow).
- The UI reads the placed model (Session::world_state) for display, picking, sketch editing and
  dialogs; live previews use it once anything is placed.
Tests (engine): sketches and construction planes move (and turn) with the component; world
picks fillet, sketch, hole and make boxes in a moved component; a pick on a pasted instance;
move_bodies keeps the world place there and back; a sketch on a face follows a Move feature.
QA's s34 now runs.

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 15:04:32 +00:00
bherbruckandClaude Opus 5.5 b36b332619 Patterns and mirrors of holes drill each copy afresh (its spot moved by the instance transform and found on the surface there), so a blind hole's depth counts from the face at the copy instead of from the bottom of the original hole (QA s30: three blind holes now remove three holes) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 14:25:27 +00:00
bherbruckandClaude Opus 5.5 83a10c813a Unit-less parameters used as lengths read in the design's units (feature evaluation and parameter values; bare numbers stored in inputs stay mm); document.units checks what the geometry reads (Document::length_inputs) and writes the old unit (with it as the parameter's unit) into bare unit-less parameters that would move; cached results keyed on the design's units 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 14:25:27 +00:00
bherbruckandClaude Opus 5.5 05b38e0f5f Persistent naming for sheet metal: base panel edges are named after the base sketch line they lie on, flange edges after their flange (F<feature>.<k>) and side (far / side0 / side1, top or bottom face); flanges and hems store edge names and pick by name first (a name that is gone keeps the point with a warning) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 14:25:27 +00:00
bherbruckandClaude Opus 5.5 7c611aec0c Booleans stay in their component: a join, cut or intersect without explicit targets changes only its own component's bodies (and what it made), auto join/cut looks only at the active component; any feature takes participants: [bodies] to reach other components ("*" = every body); file format 5 gives older features in designs with components participants ["*"] so they keep their shape 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 14:25:27 +00:00
bherbruckandClaude Opus 5.5 e7aff4fef0 Persistent naming: shell, draft, offset-face and replace-face faces and hole placements store their faces' names (Feature.face_names) and are moved onto the named face before evaluating (a split face: the nearest piece, with a warning; a vanished face: the picked point, with a warning) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 99886594e7 Persistent naming: sketches on faces store the face's name and find it by name first (an upstream feature that adds a nearer parallel face no longer moves the sketch); a vanished face falls back to the old geometric search with a warning 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 452ee5f9f9 Persistent naming, step 2: revolved faces named by the section curve they sweep and their angle caps, box faces by side (+x … -z), cylinders by top/bottom/side, and pattern and mirror copies after their sources through the instance transforms (<source>@F<pattern>.<instance>) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 72297047d5 Persistent naming, step 1 (plan/adr/0002): faces are named from their history (a face lying on an input face keeps its name; new faces by role: F<feature>:side:<sketch curve>, :start/:top/:bottom caps, :blend:<edge>, …; split pieces #k along their spread), edges by the faces they separate (pieces ~k); names worked out lazily per body and shared by its clones; fillets and chamfers store edge names and resolve by name first (a split edge takes the piece nearest the picked point with a warning, a vanished one falls back to the point with a warning); model.faces and model.edges report names; tests for resize, suppress, reorder, an upstream split and a removed sketch segment 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 99385b1e31 Fillets and chamfers keep their edges through upstream edits: each picked edge remembers its direction and its body's bounding box when picked (Feature.edge_refs, set by the commands and by timeline.edit); a reference point that is off every edge after an edit is carried to the same place in the body as it is now and kept when an edge running the same way is there (QA s06: a fillet on the right top edge follows the edge when the sketch widens); otherwise the nearest edge with a warning as before 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 a01f191d25 Evaluation cache: every feature evaluation is kept by a key of its own inputs, the document context it reads and a digest of the model it starts from (bodies identified by the evaluation that made them, kept while passed through), shared with previews and scratch copies; setting a value back, undo, redo and repeated evaluations reuse results (a 20 × 20 patterned plate builds in 1.7 s instead of 7.5 s; undo/redo of a parameter edit 0 ms); cached and from-scratch evaluation compared in a test; numbers in docs/perf.md (solvecraft-cli bench-edit). Designs read now always get feature input names and occurrences filled in 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 9f8915996d Sheet metal Fold (SheetMetalFoldCmd): fold the base panel along a sketch line (followed when the sketch changes) or two points on its face; angle, bend radius and K-factor from the rule; the bend zone (BA = θ(R + K·T)) comes out of the existing sheet so the flat pattern keeps its size; the line at the bend's centre, start, end or on the mould line; the side holding a picked point stays (default the larger), flip folds down; flanges on the moving part ride along 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 11:37:33 +00:00
bherbruckandClaude Opus 5.5 940c425316 Accessibility Analysis: faces a tool coming along a direction reaches (facing it, nothing above: a depth map of the model seen from that direction, tested per pixel on the GPU) shade green, the rest red; the analyses (zebra, draft, curvature map, environment map, accessibility, minimum radius, isocurves, curvature comb, center of mass) also on SOLID INSPECT, and Interference on sketch INSPECT; path patterns follow 3D sketch curves through the same path chain as sweeps (path_segments_3d folded into path_points) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 10:36:53 +00:00
bherbruckandClaude Opus 5.5 b9bc75670c Exact profiles for splines of any degree (a degree-4…7 Bézier segment kind, Seg2::Bezier, extruded as B-spline edges) and for free-form curves cut by crossings (exact sub-curves whose ends are moved to the true crossing, found by Newton; polylines only where that fails) 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 09:42:34 +00:00
bherbruckandClaude Opus 5.5 f79b5c1045 Sweeps and pipes along 3D sketch curves (projected, intersection and included curves): a path that uses sketch wires is followed as one chain of points by a new kernel sweep_path (rotation-minimising frame; smooth B-spline walls per profile segment, or ruled walls mitred at sharp corners and for profiles with holes); 3D sketch curves can be picked as sweep paths 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 09:42:34 +00:00
bherbruckandClaude Opus 5.5 d40ef5bbdc 3D sketch: with 3D Sketch on, the Line, Spline and Point tools take points off the sketch plane, snapping to model vertices, edges and faces and to drawn 3D points (segments that stay on the plane are ordinary sketch lines); drawn 3D curves are wires with fit points (sketch.line3d, sketch.spline3d: centripetal Catmull-Rom, sketch.point3d), a clicked 3D point gets a move triad (drag along X/Y/Z or parallel to the sketch plane: sketch.move3d, joined ends move together), Delete removes it; sweep and pipe paths may mix 3D curves with sketch curves; control: ui.triad, ui.worldToScreen 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 08:39:22 +00:00
bherbruckandClaude Opus 5.5 2ec34c6e78 Sketches on body faces follow their face: the plane is a face reference found again on each evaluation (same normal, nearest the picked point), and face extrudes (Extrude on a face, Press Pull) use the linked projection of the face's edges instead of a frozen copy, so they follow when earlier features change 
Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 07:42:31 +00:00
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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 05:50:50 +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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:43:27 +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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 04:11:35 +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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 02:16:00 +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 <[email protected]>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
 2026-10-08 01:19:55 +00:00