Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to redesign it to have a turbojet, an afterburner, and a variable exhaust nozzle. You can see how ...

Bolted motionless on a test stand, the little monster is not impressive. It has no coolly symmetrical propeller, no phalanx of cylinderheads, none of the hard geometrical grace of the conventional ...