Extruder Filament Guide
thingiverse
This guide shows you how to put filament into the boden tube when using low-cost extruders from Amazon and Ebay. For example, try this one: https://www.amazon.com/gp/product/B01JGNKVF0/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=1
Download Model from thingiverse
With this file you will be able to print Extruder Filament Guide with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Extruder Filament Guide.