He tried to build a Z-axis drive for his 3D printer around an inexpensive worm gear from AliExpress. This project was doomed by a gear flaw invisible to the human eye, but he documented the ...

[Let’s Print] decided to see if they could print their own worm gear drives that would actually be usable in practice. The testing is enlightening for anyone looking to use 3D printed gearsets.

Design enhancements improve efficiency and eliminate leaks. Worm-gear speed reducers have offered a rugged, adaptable, and cost-effective method of power transmission for nearly a century.

The world's first 3D printed robot that moves like a worm could prove revolutionary in the world of medicine. The robot, known as the single actuator wave-like robot (SAW), can move both forwards ...