FreeCAD: Deleting holes and fillets from shapes in STEP files

Update: July 22, 2019
FreeCAD 0.18

After importing the shape from the STEP file, you can delete the hole or fillet in the shape. By this function, the shapes without operation history data that is created other CAD can be edit/simplified easily.


  1. Import solid data from STEP file and switch workbench to Part workbenchPart workbench.

  2. In the 3D view, select the face of the shape (hole, fillet, etc.) you want to delete. And execute Defeaturing tool「デフィーチャー」アイコン or select [Part]-[Defeaturing] menu.

Selects the shape you want to delete
Results of deleting