Designed on 5/26/2018 Posted to thingiverse on 9/03/2018 https://www.thingiverse.com/thing:2943653 Filament Guide For WANHAO D9 From Extruder Mount To Filament Spool. Got the idea from "https://www.thingiverse.com/thing:2835173" but didn't use any of their files just the basic idea.