Prusa MK2, MK2.5(s), MK3(s) to Zaribo 420 Upgrade Kit



Print height 420mm

- Prusa MK2 -> Zaribo MK2
- Prusa MK2.5(s) -> Zaribo 2.5(s)
- Prusa MK3(s) -> Zaribo MK3(s) 

If you want to buy with the printed parts option below, you need to choose PSU, Extruder and LCD types to get the correct plastic parts for your build.

[Printed parts only available for MK3 Rel. 3. STLs for MK2, MK2.5 are available on GitHub]

Printed Parts
Print PSU
Print Extruder
Print Display
Rod diameter
Out of Stock


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Please allow up to 10 days before shipping when you order plastic parts.

A 186 page assembly Manual for Rel 3. is available in English and German! Please download here:

This kit allows many different upgrade options:

Prusa MK2 -> Zaribo MK2

Prusa MK2.5(s) -> Zaribo 2.5(s)

Prusa MK3(s) -> Zaribo MK3(s) 

Zaribo 420 upgrade kit contains:

- Misumi extrusions for frame
- Misumi smooth rods for y-axis
- Misumi smooth rods for z-axis
- Misumi T-nuts
- Misumi metal corner brackets
- Misumi slot covers
- LDO z-Motors with 520mm lead screws (no POM nuts)
- all screws
- rubber feet
- Techflex cable tuning
- Nylon filament for cable management
- GT2 belt
- 2 GT16 toothless pulleys
- cable extensions

Black extrusions are HFS, Grey extrusions are GFS type

Print height is 420mm.

Please note when you use a Rambo board we highly recommend to add our MOSFET kit as well. The plug connected to the RAMBO can melt and even damage the board.

The 10mm option contains: 4x LMU10, 3x LMUW10, 2x PSFU10-360mm (y-axis) rods , 2x PSFU10-522mm rods (z-axis), 2x PSFU10-380 (x-axis), 3x HFSB-3030-359-Z8-XA12-XB347

The MK52-block version: 4x LMU10, 3x LHBB (aluminium blocks), 2x PSFU10-360mm (y-axis) rods , 2x PSFU10-322mm rods (z-axis)2x PSFU10-380 (x-axis), 3x HFSB-3030-359-Z8-XA12-XB347 (5mm wider x-axis), x-carriage for blocks

Printed parts ara avaialbel for MK3 Rel 3 only. Printed with 35% infill, 0.2mm layer. Total weight 1.2kg, printime approx. 100h.

Dimensions: Height: 65cm, Width: 40cm, Depth: 46cm

Specific References