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.
PSU don't have to be part of printers construction. Sturdiness relies entirely on the threaded rods. You will still need some printed parts for PSU, as they are shared with Arduino and RAMPS, but not the PSU cover.