Although its design has many fans, the Cessna T303 Crusader light twin did not last long after arriving on the market just as ...

The video notes that when printing 4 props, 2 must be reversed in the Y-axis to print a counter-rotating set of 4. The instructions used for creating propellers in Fusion3D are available here.

The aircraft’s performance was due in part to the giant, counter-rotating propellers, says Bowers. “When you start blowing that amount of air with that amount of power over a fairly large wing ...