Contains affiliate links For a long time, 3D printing was seen as a hobby for people with massive desks, even bigger budgets, and a PhD in "fiddling with settings." And if you had all these things, you’d still wait ten hours for a machine to hum and buzz, only to realize the print failed on the last layer. But there’s a new way to play with plastic, and it fits right in your hand. Imagine a hot glue gun, but instead of messy adhesive, it extrudes solid, structural plastic tha