Prunt Board 3

A 3D printer control board featuring a sophisticated motion control system

Available for pre-order

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Jul 13, 2026

Production Status & Corner Blending Improvements

Many of the people reading this are probably most interested in production updates, so that's where we'll begin. Shipping of our samples to the EMC test lab is taking a while. Currently, the boards are stuck in customs. We cannot begin production until we know that the boards will meet all relevant standards. However, once testing is complete, we will be ready to begin production as soon as possible. Read the full update.


Jun 10, 2026

What happens now that the project is funded?

Thanks to everyone who has backed Prunt Board 3, we have now reached our funding goal! We have already begun the last pre-production work so we can begin manufacturing, testing every board, and getting Prunt Board 3 into backers hands as soon as possible. Read the full update.


Jun 03, 2026

Heater Driver Changes and Finalized Schematics

This week, we have a couple of quick updates for everyone about the heater driver and to announce that our finalized schematics are now available. Read the full update.


May 28, 2026

Comparing Stepper Command Generation to Klipper

We've talked about Prunt's motion profiles, corner blending, and hardware step generation. But there is another important architectural difference between Prunt and Klipper that we have not talked about yet: how internal trajectories are converted to commands for stepper drivers. Read the full update.


May 21, 2026

How Corner Blending Improves Print Quality

We've received a few questions about how corner blending affects the final result of a print, so we wanted to show where it helps, where the tradeoffs are, and what we're working on next. Read the full update.


May 13, 2026

How Each Connector is Protected.

In this update, we'll go connector by connector and explain what that means in practice. Read the full update.


May 07, 2026

What if Prunt Doesn't Support a Feature You Need at Launch?

Prunt is new, and while we are building it to support the workflows we think matter most, there may be a feature, plugin, or printer setup that Prunt does not support on day one. Read the full update.


May 02, 2026

Our Campaign is Now Live!

Prunt Board 3 is the first widely available hardware to run the Prunt motion controller, an advanced open-source motion control system built from the ground up for 3D printers. Read the full update.

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