Originally Posted by
JonnyHK
I think that Acetone fumes are used to create smooth surfaces on PLA prints. Then some chrome paint.
AutoDesk Fusion 360.
The element behaves strangely. Doesn't want to group, combine, intersect or cut.

From the import menu...
Acetone doesn't work on PLA, so far there hasn't been much that works with PLA. Acetone works on ABS.
I will send you a Fusion 360 file as that is what I use. Why not, it's free to makers as well as students and very small time business users.