Even assuming that the model and materials you're using were sound, there are so many things that can go wrong during a 3D print that I'd never entrust the safety of my brain to anything I printed ...

Recyclable plastic objects can be 3D-printed using light 1. 3D printing can quickly make objects with complex shapes. But recycling those products into ones that are equally tough is a challenge.

3D printing has unlocked amazing possibilities, enabling us to create everything from jewelry to spare parts right at home. But just because you can print something doesn’t mean you should.