1. Joints - The Foundation of Movement Joints are the moving links in a robotic arm. They let the arm bend, rotate, or change ...

I made a few Fidget Spinners with a 3D printer, grabbed some Red Bearings, and used spray paint to make my own DIY hand spinner. The spinner is insanely fast and works absolutely great! It was easy to ...

A few years ago, 3D printing sounded like science fiction. Today, there are thousands of beginner-friendly designs perfect ...

Editor’s Note: December 10, 2025: We’ve reviewed these selections to ensure they are available and competitively priced. To further update our coverage, with a focus on ease-of-use, we’ve called in ...

If you have a 3D printer, your nozzle and heater block are invariably covered in a weird goo consisting of decomposed and burnt plastic. There’s only one way around this – a nozzle sock, or a silicone ...

Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try metal casting. Having created his own tapping arm, he ...