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New features: - helical_extrude() for smooth helical gear teeth - radial_pattern() and linear_pattern() for repeating geometry - fillet() and chamfer() edge operations (OCC BREP) - Adaptive cylinder resolution based on radius - 3D text support with text3d module Improvements: - Better BREP shape analysis and edge selection - Enhanced geometry utilities for pattern operations - New DSL builtins for all features Tests and documentation updated. Co-Authored-By: Claude Opus 4.5 <[email protected]>
- Add freetype-py optional dependency for TrueType/OpenType fonts - Implement find_system_font() for automatic font discovery on macOS/Linux/Windows - Add glyph_to_polygons() for converting font outlines to yapCAD polygons - Update text_solid(), text_width(), engrave_text() with font parameter - Fall back to block font when freetype unavailable or font not found - Default to Arial when no font specified (with block font fallback) Co-Authored-By: Claude Opus 4.5 <[email protected]>
Add missing documentation for: - Edge operations: fillet_all_edges, fillet_edges, chamfer_all_edges, chamfer_edges - DSL builtins: fillet() and chamfer() - 3D text module with TrueType font support Co-Authored-By: Claude Opus 4.5 <[email protected]>
- Add TYPE_CHECKING import for PackageManifest in packaging.py - Fix ParseError -> ParserError typo in parser.py Co-Authored-By: Claude Opus 4.5 <[email protected]>
Lower max_angr from 30° to 10° in adaptive_angr_from_radius to ensure at least 36 segments for any cylinder. This reduces geometric volume error from ~2.5% to <1%, fixing test_conditional_with_geometry failure. Co-Authored-By: Claude Opus 4.5 <[email protected]>
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what's new:
Helical Extrusion: New
helical_extrude()function inyapcad.geom3d_utilcreates smooth helical/twisted extrusions using high-resolution lofting. Ideal for
helical gears, twisted columns, and spiral features. Requires pythonocc-core.
Pattern Functions: New pattern generation functions for creating arrays of geometry:
radial_pattern()inyapcad.geom_util- Creates circular patterns of 2D geometrylinear_pattern()inyapcad.geom_util- Creates linear arrays of 2D geometryradial_pattern_solid()inyapcad.geom3d_util- Creates circular patterns of 3D solidslinear_pattern_solid()inyapcad.geom3d_util- Creates linear arrays of 3D solidsradial_pattern_surface()inyapcad.geom3d_util- Creates circular patterns of surfaceslinear_pattern_surface()inyapcad.geom3d_util- Creates linear arrays of surfacesOCC Helix Helper: New
make_occ_helix()function creates mathematically exacthelix curves using OpenCascade's 2D parametric curve on cylindrical surface technique.
Used internally by
helical_extrude()but also available for advanced users.