"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 ...

[3D SANAGO] is a bit of a master when it comes to using a 3D-printing pen. Their latest work involved fixing a broken humidifier and giving it a Pokemon-themed makeover. It’s an education in just what ...