Duplicator Diamond

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Duplicator 4 Diamond

Release status: Development

Diamond Duplicator title 2.JPG
Description Wanhao Duplicator 4
License CC-BY-NC-SA
Author RepRap.me
Based-on Diamond Hotend
Categories RepRap Color 3D printing
CAD Models none
External Link www.reprap.me

Diamond Hotend upgrade guide for Wanhao Duplicator 4, Makerbot Replicator and Makerbot Replicator 2

This is the official build guide intended for those who wish to modify Wanhao Duplicator 4, Replicator Original or Replicator 2 for the Diamond Hotend.
A little warning: this procedure will most likely void warranty on your device, so before proceeding please read this guide thoroughly and be sure you know and understand what you are about to do.

Diamond Duplicator title 1.JPG


Part list

These are the parts needed for upgrading with the Diamond Hotend. For printed parts see the Thingiverse link at the bottom of this page.


3D printed mount kit

Diamond Hotend


Extruder mounts

  • 3 x MK9 extruder mount (MK9_wide_right.stl)
  • 6 x M3x20mm
  • Adhesive pads

Extruder cable mount

  • 1 x Braided sleeve 30 cm
  • 3 x Cable tie
  • 1 x Cable tie mounting pad


  • 1 x Z-endstop adapter (Z-endstop_holder.stl) *No necessary for Replicator 2
  • 2 x M3x8mm CSK
  • 2 x M3 Nut



  • Dismount the original extruders
  • Release the belts by loosening the bolts (Keep an eye out for the loose belt idler pulley on the left side)
  • Dismount the x-carriage (Don't use a twisting motion if you plan on using the carriage later on, or it might break)
  • Cut the fan wires by the ends, strip the last millimeters of insulation and solder longer wires onto the ends, remember to slide a piece of heat shrink over each wire before you begin soldering and carefully shrink the tubing around the solder joint using a lighter flame.
  • Assemble the Diamond Cooling shield and mount the M3 and M4 nuts into the respective slots (for more detailed description on this procedure please follow the guide on Diamond Hotend).

Diamond Witbox top 1.JPG Diamond Witbox top 3.JPG Diamond Witbox top 4.JPG Diamond Witbox top 5.JPG Diamond Witbox top 6.JPG

  • Your cooling shield should now look something like this.

Diamond Witbox top 7.JPG Diamond Witbox top 10.JPG Diamond Duplicator top 1.JPG

  • Grab the x-carriage part and mount the two M3 nuts into the slots as shown on the pictures below. If they are too loose you may glue them into place and if they are too tight to fit you may heat them into place using a soldering iron like described on the Diamond Hotend page step two.

Diamond Witbox carriage 1.JPG Diamond Witbox carriage 2.JPG Diamond Witbox carriage 3.JPG Diamond Witbox carriage 4.JPG Diamond Witbox carriage 5.JPG

  • Align each end of the belt onto the S2M beltclamp and glue these parts together using cyanoacrylate glue. Then align the linear bearings with the x-carriage and press it onto the bearings. After aligning the S2M beltclamp with the x-carriage (see picture) put a bulldog clip around the parts so that it holds the belt in place. Lastly pinch to remove each of the clip handles.

Diamond Duplicator belt 1.JPG Diamond Duplicator belt 2.JPG Diamond Duplicator belt 3.JPG Diamond Duplicator belt 4.JPG Diamond Duplicator belt 5.JPG

  • Mount the top part onto the x-carriage using three M3x10 countersunk bolts. Please observe that the thermal insulations does not get stuck anywhere between the two printed parts.

Diamond Witbox carriage 10a.JPG Diamond Witbox carriage 11.JPG

  • Unscrew the Z-endstop switch and reinstall it onto the adapter using two M3 nuts and two M3x8 countersunk bolts. Make sure that the endstop switch is touched by the bed when it is at top position (in case it doesn't you can use the spacers from the original endstop mounting). *Replicator 2. No need for endstop spacer, just slide the endstop 2-3mm down.

Diamond Witbox endstop 1.JPG Diamond Witbox endstop 2.JPG Diamond Witbox endstop 3.JPG Diamond Duplicator endstop 1.JPG

  • Assemble the bowden extruders (following the steps on Diamond Hotend).
  • Mount the extruders on the top rear edge of the printer.

Diamond Duplicator extruders 1.JPG Diamond Duplicator extruders 2.JPG


These instructions will guide you briefly around removing the Mighty Board and install a RAMPS plus a Stepper Expander X1
Beware: Make sure that your RAMPS board and the Arduino MEGA can take the 24 volt from the original power supply of the Duplicator without releasing the magical blue smoke.

  • First turn the printer on its side and remove the lid of the electronics compartment.
  • Unplug all plugs from the Mighty Board and note where each of them goes
  • Unmount the Mighty Board by unscrewing it from the frame of the printer.
  • In order to align the USB socket of the RAMPS with the corresponding hole in the frame (6-8 mm) you may need to first glue a couple sheets of eg. acrylic in place. You may be using adhesive pads for this.
  • Mount the RAMPS on top of the acrylic using adhesive PCB spacers.
  • Mount the Stepper Expander X1 (or pb ExtrudrBoard) again using the adhesive PCB spacers.
  • Connect The Stepper Expander (or pb ExtrudrBoard) to the RAMPS AUX-2 using the 2x5P IDC cable.
  • Move the power wires from the Mighty Board plug and connect them to the RAMPS
  • Add the power wiring from terminals on the Stepper Expander (or pb ExtrudrBoard).
  • Cut the motor plugs and solder on 4-pin female headers, remember to insert each wire through a piece of heat shrink prior to soldering, and carefully crimp it using a lighter flame.
  • While observing orientation insert five stepsticks in the vacant positions of the RAMPS board and the remaining stepstick into the Stepper Expander. (The trimpot on a standard A4988 driver should be closest to the power terminals on the Stepper Expander).
  • Adjust the extruder stepsticks (or the motor drivers on ExtrudrBoard) to output 1.2 Ampere. See the link section for a separate guide on the subject of current limiting.
  • Cut the 120 cm braided sleeve into 40 and 80 cm.
  • Feed the extruder motor cables through the 40 cm braided sleeve.
  • Also feed the Thermistor Heater and Fan wires through the 80 cm braided sleeve (80 cm).
  • Secure the braided sleeves at the rear of the printer
  • Tie all wirings in the electronics compartment so that no wires are blocking the airflow from the cooling fans to the stepper drivers.

Diamond Duplicator electronics 1.JPG Diamond Duplicator electronics 2.JPG Diamond Duplicator electronics 3.JPG Diamond Duplicator electronics 4.JPG

  • Finally attach the optional display to the front.


Part files