filament roller tire

filament roller tire

thingiverse

These filament holders were supplied within printer package (Kingroon kp3s). Rollers have bevel from their sides, so spool with thin corners slides away in a minutes and got stuck in this holders. This *tire* was created to solve this problem. It matches roller with diameter of 22 millimetres and 7 mm width. The only condition is to use soft filament like TPU.

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