With similar electronics, the plane with the 3D printed ribs weighed in at 312 grams. The completely 3D printed plane was a hefty 468 grams. That’s a lot of weight saved, and that translates ...

If you’re moving beyond foam board wings, 3D ... printed with lightweight PLA, which can ooze badly when it stops extruding. To get around this, he designed the wings and their internal ribs ...