Thingiverse
Hatchbox Filament Spool Hub Mount for 608zz Bearings by mmoore0
by Thingiverse
Last crawled date: 4 years, 1 month ago
This thing is a filament spool hub specifically designed for Hatchbox spools. However, it should work with any spool with a 54mm inner diameter hub. It is designed to use 608zz bearings on an 8mm threaded rod.