Cổng cấp filament đơn giản cho máy in Snapmaker J1

This is a simple filament feed-through for the Snapmaker J1, if you want to put the spools inside the printer. There are version which go straigt up and versions that are tilted 20 degree to the left and right.

You don't need any tools or extra hardware to install them, you can just tighten the large nut by hand and feed a standard 4mm reverse bowden tube through the pass-through.