Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

DIYbio Centrifuge V 2.0

by ProgressTH, published

DIYbio Centrifuge V 2.0 by ProgressTH Oct 21, 2017
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1286Views 304Downloads Found in Biology



This is version 2.0 of our previous F.Lab DIYbio centrifuge: https://www.thingiverse.com/thing:1175393

Video demonstration is here: https://www.youtube.com/watch?v=rTMLX00tXjc


  1. Incorporates 12V DC motor;
  2. microswitch for auto-cutoff when cover is open;
  3. high-res (400 sides) rotor based on: https://www.thingiverse.com/thing:2479765;
  4. rocker switch;
  5. extra space for Arduino Nano and;
  6. 2 cover options: solid 3D printed & for acrylic window (version pictured above).


It uses a 12V DC motor and a simple rocker switch. It also has provisions for adding in a microswitch and enough room for adding in a micocontroller (like an Arduino Nano) to add timing and cycle functions.

There is also 2 versions of the cover. One is a solid 3D printed cover. The other is printed in 2 sections and friction welded or glued together with a piece of acrylic in between to create a window (pictured).

The original SketchUp file (.skp) is included.

The rotor has been improved greatly from the low-poly original rotor thanks to the OpenSCAD model published by Thomas Kircher. His code has been slightly modified from around 200 sides to 400 sides and the dimensions slightly modified to be more even. The OpenSCAD code (.scad) is also included.

The spindle connector for the rotor is provisional. We're working on something better that will leave the rotor balanced perfectly. For now, it uses a sawed off 5mm diameter bolt and a nut glued into the spindle connector.

This is still in progress. Come back for the rest of the files, photos and video for the working centrifuge and links to build tutorials.

For more information: http://www.progressth.org/2017/10/3d-printed-diybio-centrifuge-v-20.html

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What motor did you use exactly? I have 3 dc motors and 1 brushless and not of them fit too short, too skinny too fat.



The motor case is 27.5 mm diameter and 35 mm high. The shaft is about 18 mm long. It's 12V DC but other than that there are no identifying marks on it. In a future update we'll try to make the bracket easily removable so users can make and install their own to suit their motors. If you have some SketchUp skills, you can remove the bracket and adjust it for your motor. Let us know how it turns out.