Ender 3 Pro Filament Roller and Guide (20201205 ver 1.2)

thingiverse

UPDATED v1.1: - decreased roller size to prevent spool drift off of roller - refined filament guide - only print the version 1.1 files to update your version UPDATED v1.2: - made relieved areas for bearing races - only print the version 1.2 files to update your version Ender 3 Pro filament spool roller replacement using the stock metal filament roller arm and adding a filament guide to help prevent filament friction and rubbing against z-axis screw. This was designed for aftermarket Metal Feeder Extruder Frame https://www.amazon.com/gp/product/B07V5VJ29X/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1 and using 608ZZ bearings https://www.amazon.com/gp/product/B07H83VV6B/ref=ppx_yo_dt_b_asin_title_o05_s00?ie=UTF8&psc=1 The filament roller mounts right in place where the stock ender 3 pro roller is. The filament guide uses the machine screws that are used to attach the brass z axis screw nut. The filament roller and wheel attach without screws and bolts as they just slide in with a slight interference fit.