3D-printing pens change plastic filaments into a gel that hardens when it hits the air, allowing users to create sculptures freehand. A new company thinks that using all that plastic is expensive and ...

There are plenty of 3D printing pens now on the market but Daniel Edwards based in the UK has created a very unique kind of 3D pen called the Renegade. Which can recycle old plastic bottles and bags ...

An curved arrow pointing right. Renegade is a pen that draws in 3D using recycled plastic bottles. A tool called the ChupaCut shreds bottles into curly tapes, which then melt inside the pen. It was ...