MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
Printed in PLA for now; my ABS prints haven't been working well. Spring and bearing are random ones I found in a junk bin; they work ok. Used an M3x10 for the bearing.
did you round off the design yourself? If so can you post it?
How come your arm looks different than the Source design? Yours has a curved arch, whereas the original design has a sharp angle?