If we told you somebody built a 3D printed go-kart, you’d expect to see a certain sequence of events. A bit of work in CAD, a printer montage, then some assembly. That’s not the case here. [3D ...

In aid of this mission, creator Daniel Edwards has invented a 3D-printing pen that works by recycling household plastic waste such as plastic bottles, files, and bags.

The pen is designed to use 5-7mm strips cut from PET plastic bottles, plastic bags, or plastic files with thicknesses ranging from 0.14 to 0.35mm.

The 3D pen for kids also runs on the same ABS and PLS as most 3D printers. What you should consider: There are some reports of broken parts that arrive with this basic 3D pen for kids.

3Doodler’s 3D printing pens aren’t just for enthusiasts and students. The company has introduced the 3Doodler Pro+, a “professional-grade” pen aimed at everyone from artists to engineers.

Come September, if everything goes to plan, the world's first 3D printing pen will go on sale for $70. The pen, called the 3Doodler, essentially allows you to lift your flat sketches off the paper ...

It’s been a couple of years since we first tried out the 3Doodler – a pen that lets you draw in three dimensions using molten plastic. Now the company is back with its latest offering – the ...