We started this project to come up with a better spool holder that would not sag.
To prevent the spool holder from sagging, our idea is to support the spool at at the bottom rather than from the side. We use ball bearings to reduce the friction.
This is the side view of the spool holder. It consists of the base, which holds two clips for the ball bearings. We designed an initial version in Sketchup and printed it to see what changes we need to make. Continue reading Project: Spool Holder (ver. 1)