2020 Rail Direct Drive Filament Guide
thingiverse
Thank you to [tomaskom_cz](https://www.thingiverse.com/tomaskom_cz/) for the [roller design](https://www.thingiverse.com/thing:3095575) Thank you to [Evan_vw](https://www.thingiverse.com/evan_vw/) for the [2020 rail mount](https://www.thingiverse.com/thing:2031469) It's very snug on my printer and doesn't wiggle at all. I recommend printing on its side (as pictured on my print bed) for maximum strength. I used PETG, but I can't see any reason that PLA wouldn't suffice as well. You will need supports.
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