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This Repo is now set to "LEGACY"

What does this Mean? - The Positron Project has evolved! We now partner with LDO to produce kits for the new and imporved Positron V3.2

This repo will no longer be updated, and will be moved to the new Github Repo once all files are made available from LDO.

Please join the The Positron Discord for the most direct updates, and keep an eye on Our Website.

PositronV3 LINKS:::

Positron 3D Website

Check out our Youtube to see it in action!

Source Parts and links from here (BOM) or check out the Alpha Wiki BOM

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Upside-down, compact, portable, and super fast 3D printer - Positron V3 has it all. A compact 3D printer that packs into a filament spool box, so you can take it anywhere you want. This design is looking at a 3D printer less like a stationary machine, but more like a powerful tool in a maker/inventor's tool kit. The printer deploys and folds up in less than 90 seconds, fits easily inside a bag, and prints at 200+mm/s.


  • Max Print Speed: 250mm/s
  • Max Travel Speed: 350mm/s
  • Acceleration: 9800mm/s^2
  • Build Volume: 180x185x180mm
  • Weight: 2700-3100g
  • Hotend max temp: 250C
  • Build Plate Max temp: 90C
  • Power supply: 19-24V; 150-220W

Do not treat this design as a finished product. Instead, please see it as a project to be improved upon. When you make this, if you find any improvements, please share it with the community! We could easely have overlooked things; Lets make this printer the best it can be!

Disclaimer: Positron V3 design is a functional prototype, not a complete product. There is absolutely no warranty, and you will make this design at your OWN risk. We will not be responsible for any damages associated with this design.

If you like this design, please consider supporting the Positron 3D team via donations; Paypal


GitHub license

License usage: CC-BY

If you are manufacturing this 3D printer or a close derivative, please put Positron Logo visibily on your product and designate Positron3D as the inventor of this product. You can find the file inside the logos folder.

On any online postings for any Parts or Kits, please be sure to link back to this github page, as well as to Positron 3D's website.

If you made a profit from this design, please consider donating a portion to Positron3D. We will be exceedingly grateful.

All hardware materials and designs provided here are licensed under the CC-BY-SA-4.0 hardware license. All documentation, including the Wiki, is under the Creative Commons CC-BY-SA-4.0 license.

Open Licenses