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Add Import of 3DM files to FreeCAD

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• rhino3dm - Open Python Rhino 3dm library

You need to use the same version and level of Python that FreeCAD is using toinstall rhino3dm.

You can find out the version FreeCAD is using by using

FreeCAD | About freecad | Libraries

orLooking at the heading in FreeCAD python console

• FreeCAD 1.0.0 on Mac uses Python 3.11

  Make sure Mac is also 3.11 using homebrew

  brew instal python@3.11

• install rhino3dm in FreeCAD path

• Start FreeCAD

  • In python console
    • import sys
    • print(sys.path)

• python3.11 -m pip install rhino3dm --no-cache -t '/Applications/FreeCAD 1.0.0.app/Contents/Resources/lib/python3.11/site-packages'

• The workbench is available via the FreeCAD AddonManager
• However users may have to install rhino3dm depending on OS.
• One suggestion

  • Start FreeCAD

  • In python console

    • import sys
    • print(sys.path)

  • Select one the the directories listed

    If FreeCAD is using Python 3.8

    python3.8 -m pip install rhino3dm -t [directory path]

  • restart FreeCAD

• sudo apt install python3-pip
• pip3 install --user rhino3dm
• Change directory to .FreeCAD/Mod
  i.e. with a dot
• git clonehttps://github.com/KeithSloan/ImportNURBS.git
• start or restart FreeCAD

Can be downloaded fromhttps://www.rhino3d.com/download/opennurbs/6/opennurbs6samples

• Icon design by Freepik
• 3dm testCases kindly supplied by Jonne Neva (cheezebreeze)

• Chris Grellier
• Keith Sloan