TPU one-piece v-roller for 608 bearings
thingiverse
Loving Tobi0892's "Dual spool Drybox" (see remix information), but didn't really like the rollers, so I printed my own with TPU95A. Rollers are a very tight fit - you really have to squeeze the bearings in with some force. Regarding the M8 rods for the original drybox - I only used nuts for the outer rollers to hold them in place and added the inner rollers without nuts - that way I don't ever need to adjust anything and the outer rollers hold the spools in place. Prints nice with 3 perimeters and either zero or very few infill. Note: you won't get your bearing pressed in when using non-flex materials.
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