Uses 8mm threaded rod and standard 608 size 8mm skate bearings. Fits spools with hubs from 45mm to 90mm.

ustomized version of https://www.thingiverse.com/thing:767317

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=767317

Instructions

Using the following options:

bearing_d = 22.1

bearing_h = 9

max_d = 90

min_d = 45

cone_h = 30

rod_d = 9

$fa = 1

$fs = 1