From FreeCAD Documentation
- Open the Parameter Editor via Tools → Edit Parameters...
- Once in the editor the path is BaseApp → Preferences → Mod → CAM
- To enable the CAM Area and CAM Area Workplane commands:
- Right-click in the parameter list area and select New → New Boolean item from the context menu.
- Name the new parameter:
EnableAdvancedOCLFeatures
(case-sensitive).
- Set it to:
True
.
- To enable the other experimental commands:
- Again select New → New Boolean item from the context menu.
- Name the new parameter:
EnableExperimentalFeatures
(case-sensitive).
- Set it to:
True
.
- Save the settings.
- Restart FreeCAD.