home made 3d printing pen
Make Your Own 3D Printing Pen from a Hot Glue Gun, a CD Drive Motor & Lots of Duct Tape
A couple of years ago, WobbleWorks LLC raised $2.3 million in crowdfunding and sold more than 130,000 of their 3Doodler 3D printing pens. It’s basically a “pen” that allows users to…
