Re:Computer Modeling Should Become a Popular Hobby
by Sileni on Friday February 22, 2019 @08:59AM
(#19225294)
Doesn't have all the functionality that AutoCAD does, and there are some usability issues if you're really comfortable in AutoCAD already, but I imagine FreeCAD [0] would work well for your use case.
[0]: https://www.freecadweb.org/