Google "free cad software "
I didn't research it beyond that, but there appears to be some available.
Best Open Source and Free CAD Software

FreeCAD.Fusion 360.Onshape.nanoCAD.OpenSCAD.Tinkercad.3D Slash.LibreCAD.



Edited by W Polidori (06/20/19 08:47 PM)
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Warren