Byteborg's Direct Drive Extruder (3mm)

Moved, look here: https://www.printables.com/model/336820-byteborgs-direct-drive-extruder-3mm

This is my version of a direct drive extruder.

You will need to strengthen the part with the spring-loaded lever, if you want to use it
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Sources are included - please, send me your modifications.

It is optimized for the following aspects:

* dead simple, no unnecessary parts