"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A 3D pen is a crafting tool that works kind of like a hot glue gun, except what comes out is warm plastic ...

So, you got a 3D printer for the holidays, and you’re excited to dive in. Chances are, you’re not sure where to begin. What can you print? What’s fun? What’s useful? Justifying the purchase of a 3D ...

The best 3D pens enable you to 'draw' in three dimensions using heated plastic filament, and we love them. They can be used to create impressive 3D art or models and toys; or they can be used ...