Ender 3 s1 Pro filament holder with ball bearings. Designed to match the stock one so you can hold two spools of filament on the machine. I used 6000ZZ Ball bearings from Amazon and got 10 for $9. Two M4 x 8mm bolts required.
| Barrel.stl | 1.2MB | |
| Barrel_Insert.stl | 275.6KB | |
| End_Cap.stl | 3.1MB | |
| Locking_Cap.stl | 1.5MB |
