2020 Mounted Spool Roller - Remix
thingiverse
Really liked JamesK1's 2020 Mounted Spool Roller V2, but since I was going to be mounting it on top of my CR-10, I wanted to ensure it was more secure than the original design. Added some side retainers to prevent slipping off. Also, felt rod doesn't need to be press-fit onto the bearings, so made it slightly smaller and adjusted the rod holder for a tighter fit. Update: Noticed that when the spool starts getting close to empty, it gets pulled off the rollers easily. After some thought, I decided to lengthen the holder by 40mm, allowing the spool to sit lower between the two rollers, making it more difficult to get pulled off. Left the old version up for your choice.
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