Naturally, if you’re [Daniel Riley] of RCTestFlight, then you have to 3D print a few of them, and make a video covering a handful. Most famous of these is probably the toroidal propeller that ...

Since the rotors are easily fabricated via 3D printing they should be easy to ... or this one that only uses a single propeller. The toroidal propeller, one of the Lab's @RD100Awards winners ...

We’ve talked about 3D printed next-gen perovskite solar panels, houses, and the development of advanced toroidal propellers for boats and drones. So you probably shouldn’t be surprised to ...