Maker Builds Fully-Functional 3D Printer Using 92% LEGO Bricks

A Printer Made of Bricks

In what might be the ultimate LEGO project, a maker has built a fully-functional 3D printer using 92% LEGO bricks. The creation, called "Studprint," is the first known 3D printer that doesn't rely on Technic parts for its core mechanics.

The builder, Adam Turaj, completed the project after months of development. The printer uses standard LEGO bricks for the frame, gantry, and motion systems, with only the hotend mounts, stepper motors, electronics, and worm gears being non-LEGO components.

Does It Actually Work?

Yes — the printer successfully produced a 3D Benchy, the iconic torture test for 3D printers. The print took 90 minutes to complete, though it came out with some defects due to slight wobble in the X and Y axes caused by imperfections in the LEGO wheels.

"Some tuning could improve it," Turaj admitted, "but due to a slight wobble in the X and Y axes, which I am assuming is caused by imperfections in the wheels, there are some pretty major defects, especially in the upper half of the boat."

See It in Person

If you want to see Studprint in action, Turaj will be demonstrating it at the upcoming RMRRF event at the Hack Club booth. The full CAD model and bill of materials are available on GitHub for anyone who wants to try building their own.

This project proves that with enough creativity, even a toy designed for children can be transformed into a serious tool — though we probably wouldn't recommend replacing your Bambu Lab with a bucket of LEGO just yet.