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 wouldn't recommend using LM10UU, they'll chew your shaft up and make a lot of noise while they're doing it. I printed some bushings in PETG, 15mm od, same size as LM10UU. Not easy to get the size right, lot of trial and error.
An alternative, and my personal preference, is to use sintered bronze bushes: https://www.ebay.co.uk/itm/AM101525-Oil-Filled-Sintered-Bronze-Bush-10x15x25mm/273599387600
I intend to buy these for all the linear bearings, just as soon as my bank balance allows...