Parametric/Adjusable Replicator1 Spool Holder

A ball bearing spool holder for the Replicator1 that can quickly adjust to hold different spool widths. Saves space behind the printer because the spools come off by going straight up.

I was looking for a ball bearing spool holder for the replicator1 but the only ones I could find sat on the table which was a problem with the cables in back. Also, I didn't like the way the spool could twist on the ones that used multiple bearings to handle different sizes.

I designed this one to mount on t