Add ACME lead screws to parts library

As far as I understand from the bottom of the product page for these screws, the ACME lead screws which are listed as 250/500/1000 mm are actually oversized by 40mm to bea able to mount them on a 500mm C-Beam for instance.

It would be nice if the lead screws could be added to the parts library as well.

 

Ah, never mind, just found them tucked away in the Assemblies folder