The secret to the cool temperatures of the soon-to-be-crowdfunded CreoPop 3D-printing pen is a special type of resin that hardens with UV light.

Learn how to design and 3D print with Tinkercad in this beginner-friendly guide. Step-by-step tips to turn your ideas into tangible creations.

This project requires more than just Lego bricks, you'll need motors, gears, technic frames, a 3D printing pen and more. Overall, this project is incredibly cool and it's amazing to see it in action.

You may have heard of 3D-printing pens before: devices like the 3Doodler which turn plastic filaments into a gel that hardens in the air — letting users create impressive freehand sculptures in the ...