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.
I just found https://www.thingiverse.com/thing:3312401. You don't need to source for Original Prusa i3 trapezoidal nuts. Just print the adapter and attach stock a8 trapezoidal nuts to it.