For this build, [Tom] is relying on the old standby, a square piece of balsa. The ribs, though, are 3D printed. They’re basically a single-wall vase in the shape of a wing rib, and are attached ...

His fascination with wood wings began at age seven, when he started assembling balsa wood airplanes ... if you count the gussets. Each rib alone has 60 components. And I have to handle each ...