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FreeCAD: How to extract faces from a solid?

Update: May 22, 2021
FreeCAD 0.19

In this article, We will explain how to extract selected faces from a 3D shape.

Fig. Original 3D shape
Original 3D shape
Fig. Extracted surface
Extracted surface

Steps

  1. Create or import a shape to be used in extracting faces.

    Draft_Facebind-before
  2. Switch workbench to Draft workbenchDraft workbench.

  3. Select faces to by clicking them on 3D view. For selecting multiple faces, click the faces with Ctrl key.

    Draft_Facebind-selected
  4. Select FacebinderDraft_Facebinder to add selected faces to model tree as a shape.

    Facebind-Model
  5. You can see extracted faces by selecting a original 3D shape in model tree and push space key to hide it.

    Draft_Facebind-after