Watch the full process of creating a wearable custom shoe replica using a 3D printing pen in this visually engaging tutorial! We walk you step-by-step through designing the upper, shaping the sole, ...

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

This guide focuses on hacks that students can use to improve academics, reduce anxiety, and save money on hardware and ...

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

Join us for an incredible journey as we build a life-sized Smart car replica using a 3D printing pen, metal rods, and cardboard. Watch as each step—from assembling the car chassis with metal rods and ...

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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Since 3D printers debuted in the 1980s, the devices have been used ...

PLA (polylactic acid) has become the lowest common denominator in FDM 3D printing, offering decent performance while being not very demanding on the printer. That said, it’s often noted that the ...

More affordable than ever, 3D printers are booming for personal, professional, and educational use. We've been testing them for over a decade and are here to help you find the right option. Since 2004 ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By Melanie Pinola If you’ve ever had a pen mysteriously wander away from your desk, and then ...

Inkjet or laser? Need just printing, or have to scan and copy, too? Seeking low-cost ink, or a low-cost printer? Here's how to choose the right printer for home or work, backed by our top lab-tested ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...