this post was submitted on 14 Nov 2025
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OpenSCAD is a great program, but it's not like blender or fusion 360. the input is a text file, and you need to describe the object you want to model as geometrical shapes in text. It also only renders when you tell it to, not constantly.
But if you are willing to dive into it, you can get great results. There are libraries available for threads and gears and curbed shapes and such.
It does take some getting used to, even more so if you have never done any programing, but it's FOSS and can create the same output as the graphical-menu counterparts.
Edit: I had originally posted a link to some stl files I made, but my read name is on there so I removed it.
OpenSCAD is like programming a model. You can do pretty cool things with it, but it's not necessarily intuitive to most. See also: https://cults3d.com/en/3d-model/various/editable-bike-pump-mount
OpenSCAD is super fun and I have built things in it too. It is just for the modeling and doesn't do tool path stuff like fusion360; but I think you could import models into freeCAD and do tool paths there.
Oh really? I had no idea that fusion360 did toolpath stuff. Oops.
I used to model in openSCAD and do tool paths in fusion. Good combo for the most part, but there were some issues like cutting slots that never worked well; the slot always had to be wider than the tool. Fusion works better on its own proprietary models than on STLs.