Spool holder for shelf

thingiverse

I have searched and printed several spool holders, but none have met my requirements. Here are two proposals that can be entirely printed without supports: First (with bearings) Pieces needed: 1 - 1 x 6 mm threaded bar; 2 - 5 M6 bolts (I will attach the STL if you want to print it); 3 - 2 bearings with an inner diameter of 6 mm and an external diameter of 20 mm (those commonly used in skateboards); 4 - 4 screws to fix the support to the shelf. Roller diameter: 50 mm. Everything else is printable. Assembly is very simple; just look at the pictures. Note: I have provided bearings to reduce friction to a minimum. Second (without bearings) Realizing that bearings almost never work, I made a roller without them, which is easier and faster. Simply slip the bobbin inside. To reduce friction, I created "threads" in relief on the sliding wall of the spool. To make this version, just print the entire roller (in addition to the support).