[mafm]

Onshape is wonderful. Free users complained a lot about the changes to the free license years ago when they changed the rules, but I have no issue with it. TBH, I'm grateful they make it available on the terms that they do.

Solvespace is beautiful, but limited.

I spent enough time using FreeCad to get the hang of the user interface, but got enormously frustrated by it more or less randomly crashing and frequently generating bizarre shapes due to numerical issues when trying to do things like complex lofts. I have had no similar problems with OnShape.

I honestly don't know why there was so much noise about 'topological naming' in FreeCad, the stability issues I kept running into were way more frustrating than the clunky UI or counter-intuitiveness.

I did think about digging into FreeCad to fix some of the issues I was having, but once I started playing around with OnShape I totally lost interest. I am a lot more interested in designing parts than in debugging and fixing stability issues in complicated software in my spare time.

I am quite interested in trying out dune3d. It looks like the author has some expertise and interesting ideas about what's wrong with the other free CAD options.