How to Precut Floor Joists

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  • Concept is to cut everything on the ground, and then mount rim joists first.
  • This has to be mapped onto the house - joists 1-4, headers, etc.
  • We assume square walls, and make the 2nd story floor exactly 16x32
  • Examine the design - and draw up cut list. Automate that with FreeCAD by export from SweetHome3D.
  • Part tree in FreeCAD should get you all the pieces.