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Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3
Caribou MK3s Rel 3

Caribou MK3s Rel 3

, ships in 2-3 weeks

Caribou MK3s is built with high-quality components from renowned brands only. It is based on a rigid frame made of 30mm x 30mm aluminum extrusions.

  • Einsy board by Ultimachine
  • Meanwell PSU
  • SuperPINDA
  • Thekkiinngg sheet
  • Motors, display, heated bed by LDO
  • Rods, bearings and optional bearing blocks by Misumi
  • GT3 pulleys by Misumi, GT3 belts by Gates

Caribou MK3s can be configured to your needs with

  • Bondtech extruder
  • Slice Engineering Mosquito, Mosquito Magnum or E3d hot end
  • 10mm rods and bearing blocks by Misumi
  • LCD or OLED display
  • and more options

Caribou MK3s is available in three print heights: 220mm, 320mm, and 420mm. Plastic parts offer best sturdiness and functionality and come with a sleek design. 


  • 220
  • 320
  • 420
  • MK3s Cool Motor
  • Bondtech MK3s
  • E3d
  • E3D 40W
  • E3d
Rod diameter
  • 8mm
  • 10mm
  • MK52
  • LCD
  • OLED


Caribou is rigid, reliable, customizable and features:

  • 3030 Aluminium Extrusions by MISUMI
  • Hardened Steel Rods by MISUMI
  • LMU8, LMU10 Bearings by MISUMI
  • Slice Engineering MOSQUITO Hotend Option
  • Bondtech extruder option
  • 10mm Rods option
  • MK52 Heated Bed with Thekkiinngg Steel Sheet
  • Meanwell 320W PSU
  • MMU2 Compatibility
  • EINSY RAMBo motherboard with Silent Trinamic drivers with 256 microstepping
  • Automatic mesh bed levelling
  • Automatic skew axes compensation
  • Magnetic PEI powder coat spring steel sheet
  • IR filament sensor
  • Automatic loading of filament when filament is inserted
  • SuperPINDA probe with integrated thermistor
  • Integrated LCD and SD card controller (8GB included)
  • 0,4mm nozzle (easily changeable) for 1,75 mm filament
  • Layer height from 0,05 mm
  • Great build volume – 25 x 21 x 22 cm (width, depth, height)

Assembled Caribous are xyz calibrated and live-z adjusted. You receive 2 test prints. After attaching LCD display and spoolholder you are ready to print.


You can configure your Caribou to your needs:

Options in detail:


  • Caribous MK3s Rel 2 extruder with Bondtech gear and Cooler Stepper motor
  • SLS printed, geared (ratio 3:1) Bondtech extruder 

Hot end:

  • E3d V6 
  • Slice Engineering Mosquito (only in combination with Bondtech extruder)
  • Slice Engineering Mosquito Magnum (only in combination with Bondtech extruder)

Heater Cartridge:

  • E3d 40W
  • Slice Engineering 50W (only with Meanwell PSU, Bondtech and Mosquito or Mosquito Magnum)


  • E3d thermistor
  • Slice Engineering thermistor (only with 50W heater, Meanwell PSU, Bondtech and Mosquito or Mosquito Magnum)

Rod diameter:

  • 8mm rods on x, y, and z axes, LMU8 bearings
  • 10mm rods on x, y, and z axes, 55mm LMUW10 bearings on z axis and upper x axis

Bed carriage:

  • standard MK52 carriage
  • MK52 block version: carriage is supported by LHBB10 aluminium bearing blocks (available only with 10mm rods


  • standard 2004 LCD display (blue background, white foreground)
  • high contrast OLED display (black background, white foreground)


  • SDCard
  • Power cable (EU, or UK or US)
  • USB cable
  • 1kg of PLA filament
  • Extruder cleaning tools
  • bag of Haribos


A detailed assembly Manual for Rel 3. also with first steps for assembled printers is available in English and German!

Please download here: https://caribou3d.com/en/content/9-build-manual



Compiled firmware is available here: https://caribou3d.com/en/content/10-caribou-firmware

Source code is available on github: https://github.com/Caribou3d/Caribou-Firmware



  • depth: 45cm, width: 40cm, height: 46cm without spool holder
  • allow 10cm more on the back for moving cables in the back if you want to use an enclosure
  • weight approx. 12kg


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