Welcome back to our series on practical prints for your 3D printer. While many love 3D printing because it lets them make really cool props and miniatures, 3D printing has many practical applications.

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 ...