the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel, or rotary, engine. If you ever wondered how these worked, why not print a model?

Fast forward a few decades and you have 3D printing ... like a flat-pack plastic model? That’s what you get when you make a Fully 3D-printable wind up car, just as [Brian Brocken] did.

Seriously, give it a whirl! I just found a 1984 Citroën C15 model that makes me want to pull the 3D printer out of my attic and fire it up. Most of Bezrodny’s cars cost $20 to download, ...

For your model plane he selects a cylinder and squashes ... there are two options - either open the design in a games engine or 3D print it. In this video Conánn demonstrates the former of ...