Vertical Spool Holder

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This is my Vertical Spool Holder for my M3D Micro. The design of the base was made stronger since I didn't want any flimsy thing holding 2kg of filament on top of my printer. On this instance I've used high pressure PVC 1/2" inner diameter (21.4mm outer diameter). The rod has a cover so that it fits well into the bearings and two caps that allow easy slide in/out when changing filament. The bushings fits a filament spool with inner diameter of 1.25" and it houses a 28mm (outer diameter) bearing. The bearing's used here have a rubber/plastic cover, which you can see I removed on one of the pictures because it adds a bit of drag. I wanted it to be as smooth as possible so I trimmed about 0.5mm of the inner plastic cover. The clip helps stabilize the holder by completing the gab under the mount and fastening to it. Initial ideas inspired by http://www.thingiverse.com/make:129683