While not even close, so far I liked DesignSpark mechanical the most. It's not feature-tree based. But it is free.
But the only thing free with a feature tree that I know of that is is FreeCAD, which pretty much sucks.
And then there is OpenSCAD, which sort of has a feature tree...
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am001 0
Hi lean,
I've used UG and NX for over 15 years now, but I've had to use various other systems at intervals for specific clients. Catia is the only thing I have ever used that comes close.
I think you are going to be deeply frustrated using anything that is available free.
Once you've used the real stuff, the rest seems, well, limiting.
Sorry, not the answer you wanted!
Andrew
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