55mm Spool Holder
Description
This design is based off another by ttaggart4, here (https://www.thingiverse.com/thing:4078731) but it is not a redesign of his actual model. I used his general shape and made my own since I use tinkercad (too dumb to figure out real CAD programs). I made the outside shoulder wider and taller (62mm diameter 2mm tall), made the inside shoulder taller (8mm) to hold the spools better and made the hole in the circles wider to make it easier to slip over the shaft. I didn't use the idea of the collar to hold it in one spot of the spool holder shaft because I let mine roam to make sure I don't get tangles in the filament. This will hold any spool that is around 55mm diameter in the center (Hatchbox, 3D Solutech, etc...). I made this to fit a little loose around my Ender 3 Pro's stock spool holder shaft so its 31mm instead of 30. This does require (2) 11" cable ties to hold it together. This way, the spool can never fall off the spool holder rings. Print 2 of these! To get it to fit: take off the spool holder shaft, slip the spool holder ring (1) over the shaft (this takes a little effort because of the nubs on the ends that are a few mm higher than the rest of the shaft), then put on the spool, then put the other spool holder ring on and zip tie the spool holder rings together through the center of the spool (see pics).
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