cad
All CAD files should be placed in a folder named cad at the root of the project.
Supported CAD Formats
Primary Formats
- JT (.jt) - Recommended, supports B-Rep and polygonal
 - STEP (.stp, .step) - B-Rep and polygonal
 - STL (.stl) - Polygonal only, requires units specification
 - IGES (.igs, .iges) - B-Rep only
 
Additional Formats
- FBX (.fbx) - Polygonal with assembly structure
 - OBJ (.obj) - Polygonal
 - Collada (.dae) - Polygonal with materials
 - ACIS (.sat, .sab) - B-Rep
 - BRep (.brep) - B-Rep
 - IFC (.ifc) - Building information modeling
 - Para (.x_t, .x_b) - B-Rep
 - Rhino (.3dm) - B-Rep
 - U3D (.u3d) - Polygonal
 - VRML (.wrl) - Polygonal
 - X3D (.x3d) - Polygonal
 - X3MF (.3mf) - Additive manufacturing