Prusa I3 MK2.5S / MK3S Extruder Upgrade

A lightweight high-resolution extruder upgrade for the popular Prusa I3 MK3S 3D printers, optimized design with the help of the community.

NOTICE

This Upgrade Kit does not include the gears (already supplied by Prusa).
This Upgrade Kit requires extra parts to install (X-Carriage Kit).
You can buy it from us or you can download the STLs and 3D print them. Check download links in the Resources section.