Use the following steps to set the IGES export settings in AutoCAD before exporting for FeatureCAM:
- Select IGES Out… from the File menu.
- Select Edit Options….
- Select Geometry….
- Set the parameters as follows:
- For 3D Solid/Designer Part Mapping, select Surfaces.
- For Trimmed Surface Mapping, select Trimmed Surface (144).
- For AutoSurf Augmented Line Mapping, select Copious Data 6-tuples (106: 13).
- Select Map Point Entities.
- Select Map RAY and XLINE objects to 110:1,2 (Unbounded Line Forms).