IKEA LACK Filament Guide, screw version PTFE compatible

UPDATE 2019/08/14: Added a shorter version for the IKEA Platsa system with 42mm plate

UPDATE: Thanks to the comment from TheRyuuProject I change the design to be parametric and uploaded a new version with 4,2mm inner diameter and 9,8 outer diameter as well as one with only 2,2mm inner diameter for direct filament feeding.

I am building the Prusa IKEA LACK enclosure. The original design with only a central filament guide limits the usable print volume of the printer, since the filament gets