There was a time when most of us thought the next logical step for desktop 3D printing was to add additional extruders and hotends, allowing the machine to print in multiple colors or materials.

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 ...