Prusa i3 Rework Introduction

From RepRap
Jump to: navigation, search

Introduction | Bill of materials | Y-axis assembly | X-axis assembly | Connecting X-axis and Z-axis | Motor assembly

X and Y-axis motions | Heated bed assembly | Extruder assembly | Electronics and wiring | Marlin Firmware

Crystal Clear action run.png
Prusa i3 Rework

Release status: working

PRUSA i3 Front.jpg
Prusa Mendel Iteration 3 rework based on the EiNSTeiN VARIANT.
CAD Models
External Link


The purpose of this document is o provide a visual guide needed to build a Prusa Mendel i3 3D Printer.

The machine and the assembly instructions are licensing by GPL. Files are available here :

Prusa Mendel i3 presentation

Prusa Mendel i3 is the third version of the open source 3D printer Prusa Mendel. Our version is based on an aluminium frame cut by water jet cutter and threaded rods. Axis motion are made on linear bearings, belts and pulleys or threaded rods and NEMA 17 motors.

Table of contents

Overview of the Prusa i3 Rework.
  1. Introduction
  2. Bill of materials
  3. Y-axis assembly
  4. X-axis assembly
  5. Connecting X-axis and Z-axis
  6. Motor assembly
  7. X and Y-axis motions
  8. Heated bed assembly
  9. Extruder assembly
  10. Electronics and wiring


  • Extruder upgrade: Magma Hotend (by Trinity Lab) support.
  • New cooling fan duct for Magma Hotend.
  • Y Idler with a tensioner system.
  • X End Idler with endstop holder.
  • Upgrade X End Idler in order to support 624 bearing.
  • Y Motor with endstop holder.
  • Addition of Z endstop Holder in situ.


Help and support

You can contact us with the following websites : eMotion Tech ou par le biais de la rubrique Contact.