Not a 1x1 Mega Blok

Made this model using OnShape. I have it as public up there if you want the source file. Walls are a little too thick and the very top disc is a little thin. But this is a first pass and it actually worked! walls are only 0.050" thich so the 100% solid fill isn't really necessary. at 0.3mm layer thickness it finishes in about an hour. It's the first step in testing OnShape (this is my first part) and testing fit, shrinkage etc. PLA is a little too tough for the original plastic. There are d