ImportNURBS

Add Import of 3DM files to FreeCAD

Requirements

rhino3dm - Open Python Rhino 3dm library - Which seems to require Python 3.7

Installation - Add on Manager

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
  
  pip3 install rhino3dm -t [directory path]
- restart FreeCAD

Alternate Installation ( Linux )

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

Sample Rhino files

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

Acknowledgements

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

Developers

Chris Grellier
Keith Sloan