this post was submitted on 11 Jun 2025
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FreeCAD
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Your own 3D parametric modeler.
FreeCAD is an open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters.
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if i understand this correctly, you don't even need the assembly workbench for this because there are no moving parts. you just link your dimensions to cells in a spreadsheet from the the spreadsheet workbench and you're good to go. (see the "Interaction between spreadsheets and the CAD model" section in the link)