I still have no idea what I'm doing really. Just too determined to give up I guess, and it's been such fun. Anyway I made a guitar pedal light switch cover. Still a lot of work to do, and every time I look at FreeCAD the wrong way, the model breaks, but it's been a fun experience nonetheless.
On a side note, anybody have any idea why the face of the model is rough textured, while the foot switch on the lower half is flawless?
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No idea why you're having issues 3d printing. I've never heard of FreeCAD. But curious if you've ever tried Blender? It's free, and really good for modeling stuff like this.
Blender, even with the CAD plug-in, does not have the dimensional precision required for real engineering modeling. The Blender UI is also even clunkier than FreeCAD in many ways.