Prusa MK2/MK2S ext. driver board box

by toto99303, published

Prusa MK2/MK2S ext. driver board box by toto99303 Feb 1, 2018
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251Views 17Downloads Found in 3D Printer Accessories


This box is designed to fit my external driver board for the original Prusa MK2/MK2s printers.

It's is an external stepper driver board for X and Y stepper motors of the original Prusa MK2/MK2S printers. It allows usage of TMC2100 (Silent Step Stick and similar) drivers, so your printer will become a lot quieter and much smoother due to the 256 step interpolation (same as on the MK3).

More information about the board here:


You will need some supports to print the box.
I've included versions without the voltmeter and without the Noctua fan.
Noctua fan should be 40x40x10, 12V.

Print Settings


Prusa i3 MK2S









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Great idea! But I assume that it will not work with the MMU?

Thanks! It should be working fine with MMU, but I don't have the upgrade, so I'll have someone to test it soon. I'll announce it when I have more info.

The MMU uses the connector just right to P1/P2 (on the top), labelled P3. Does this extension use another connector?

MMU ises just half of that connector. My board uses two pins on the other half, so no problem :)