The 0.01% is lubricant, the stuff provided by Prusa works fine.
Build steps:
Basically print the 3mf files in order, pause to insert parts for printing #2 and #8, and assemble. Use lubricant on the screw threads of the “long threaded rod”. Filing parts down might be necessary. The base is all 1cm square holes, haven't figured what attachments to print, like solder spool holders, helping hands/clips, larger trays, or etc. I don't have the best of pictures here, so DM or comment for questions and I'll answer when I can.
The author marked this model as their own original creation.