Going back between the CAD model and the ... someone at home with a 3D printer and some spare time can get to those claimed numbers. (Heading image: The toroidal propeller’s details in the ...

Despite being integral to aviation for more than a century, propellers have changed remarkably ... Since the rotors are easily fabricated via 3D printing they should be easy to adapt to a number ...

Now with the propeller in place Conánn turns his attention ... Watch as Conánn creates the wheels of the plane. For your model plane he selects a cylinder and squashes it down so it looks ...