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OneCAD/ATTRIBUTION.md
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bherbruckandClaude Opus 5.5 08cf223ced STEP export: unique ids, plain curves, right revolution senses; seams on split faces
Vendored truck-stepio (writer only): an intersection curve's second surface
was written at the first one's id (duplicate ids for every boolean edge),
and revolved surfaces lost their orientation (the modeling-surface sense was
always true; inverted or mirrored revolutions came out inside out). Export
now writes intersection edges as C1 cubic B-splines through exact points,
so files carry plain 3D curves and no redundant surfaces.

Vendored truck-meshalgo: hinted parameter searches that run off a B-spline's
domain are rejected or clamped (meshing their grid never finished).

STEP import: straight revolution profiles are bounded in the meridian plane
and stop at the axis; loops on revolutions start away from the axis; face
extents include edge end points. Edges between pieces of one split surface
draw as seams.

kernel::step_validate checks a STEP file (duplicate ids, dangling
references, dense numbering); the oracle replay now exports every rebuilt
part, validates it and re-imports it with no warnings and the same volume
(all 32 rebuildable cases pass).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01AS5Tn3xieewUSg3uxrMVdL
2026-10-07 23:40:07 +00:00

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# Attribution
Every non-code asset in this repository (images, icons, fonts, example parts) is listed here with
its author, source and licence. `cargo xtask assets` (part of `cargo xtask ci`) fails if an asset
file is missing from this table.
**Policy (mandatory):** SolveCraft contains **no Autodesk iconography, images, artwork, fonts,
templates, materials or help text.** Every asset is original work by SolveCraft contributors or
third-party material under an open licence. Screenshots of Autodesk software are never committed.
Generated-in-code assets are original and have no file to list:
- the UI icon set (`crates/ui-egui/src/icons.rs`);
- the view cube, navigation bar and timeline glyphs (`crates/ui-egui/src/viewport.rs`,
`crates/ui-egui/src/timeline.rs`).
## Files
| File | Author | Source | Licence |
|---|---|---|---|
| docs/screenshots/sample-plate.png | SolveCraft contributors | screenshot of SolveCraft itself (`solvecraft --sample`) | MIT OR Apache-2.0 |
| crates/sketch/fonts/LiberationSans-Regular.ttf | Red Hat, Inc. (Liberation Fonts 2.x; digitized data Google) | https://github.com/liberationfonts (Debian fonts-liberation), unmodified; licence text in crates/sketch/fonts/OFL.txt; used for sketch Text outlines | SIL OFL 1.1 |
## Code adapted from sibling projects
| SolveCraft file | Adapted from | Licence |
|---|---|---|
| xtask/src/layers.rs | CADCraft `xtask/src/layers.rs` (dependency layering rules and tests) | MIT OR Apache-2.0 |
| apps/solvecraft/src/control_server.rs | CADCraft `apps/cadcraft/src/control_server.rs` (loopback JSON-lines server) | MIT OR Apache-2.0 |
| crates/ui-egui/src/lib.rs (screenshot queue, synthetic input) | CADCraft `crates/ui-egui/src/lib.rs` | MIT OR Apache-2.0 |
| crates/ui-egui/src/control.rs (method dispatch and screenshot saving) | CADCraft `crates/ui-egui/src/control.rs` | MIT OR Apache-2.0 |
| crates/ui-egui/src/gpu.rs (paint-callback structure) | CADCraft `crates/ui-egui/src/gpu.rs` | MIT OR Apache-2.0 |
| crates/mcp/src/server.rs, crates/mcp/src/backend.rs (JSON-RPC framing, MCP lifecycle, control-port bridge) | CADCraft `crates/mcp/src/{server,backend}.rs` | MIT OR Apache-2.0 |
| crates/mcp/src/tools.rs (tool schema helpers and argument checking) | CADCraft `crates/mcp/src/tools.rs`, GridCraft `crates/mcp/src/tools.rs` | MIT OR Apache-2.0 |
| crates/io/src/threemf.rs (bounded zip part reading and writing) | GridCraft `crates/xlsx/src/package.rs` | MIT OR Apache-2.0 |
| LICENSE-MIT, LICENSE-APACHE (licence text) | CADCraft | — |
## Vendored third-party code
| Directory | Source | Licence | Changes |
|---|---|---|---|
| vendor/truck-meshalgo | truck-meshalgo 0.4.0, https://github.com/ricosjp/truck (RICOS Co. Ltd.) | Apache-2.0 | meshing: parameter searches kept inside the surface domain (vendor/README.md) |
| vendor/truck-stepio | truck-stepio 0.3.0, https://github.com/ricosjp/truck (RICOS Co. Ltd.) | Apache-2.0 | STEP writer: intersection-curve surfaces written at unique ids (vendor/README.md) |
| vendor/truck-shapeops | truck-shapeops 0.4.0, https://github.com/ricosjp/truck (RICOS Co. Ltd.) | Apache-2.0 | robust meshing and nearest-parameter fallback in booleans; trace macro (vendor/README.md) |