THE FILAMENT GUIDE

THE FILAMENT GUIDE is an accessory to feed filament to the 3D printer from a big filament roll. Actually, the filament guide is intended for Prusa i3 MK3S printers. It is possible to make the filament guide as long as you need. 

You need additional material to build the filament guide together. These are the following parts: 

• 4pcs M3x12mm cylinder screw (https://www.schraubenking.ch/M3-x-12mm-Zylinderschrauben-DIN-912-Stahl-verzinkt-88-P003601) 
• 4pcs M3 nut (https://www.schraubenking.ch/M3-Sechskantmuttern-DIN-934-Stahl-verzinkt-FKL-8-P002545)
• 1pcs per guide o-ring 25x2mm (https://shop.maagtechnic.ch/de/dichtungen-o-ringe-und-zubehoer-o-ringe/o-ring-nbr-70-36624-25x2mm-10013025-de)
• 3pcs per guide ballbearing 3x10x4mm (https://www.kugellager-express.de/miniatur-kugellager-623-offen-geoelt-3x10x4-mm) 
• 3pcs per guide cylindrical dowel 3x12mm (https://minischrauben.com/zylinderstifte-3-x-12mm-ve10--46232.html) 

Have fun.