c021855597
VDE-011 (Medium): write_stl / write_stl_ascii return bool - Return false on file open failure, true on success VDE-012 (Low): StlTrianglef for float precision - New StlTrianglef struct with Vector3F/Point3F - to_stl_trianglef() / from_stl_trianglef() conversions VDE-013 (Medium): Per-module build options - VDE_BUILD_CURVES/MESH/BREP/SPATIAL/BOOLEAN/COLLISION/SKETCH/SDF/CAPI - All default ON, parent project can set OFF