Vertical rotation lets you see the bottom of Fry Man's shoes here. Credit: Adobe Still, we're sure the vector models on stage were chosen to show Project Turntable in its best light.

The only downside to the 3D printed circular saw is that it can't cut through anything. It's unclear exactly what sort of electronics are inside the tiny circle saw to make the blade spin.

Zebedee, from Brisbane-based CSIRO, emits laser beams while rotating around a spring that continuously scans the environment. It then creates 3D models in real-time.