When slicing a model for 3D printing, the part is divided into a stack of flat, 2D layers. But there’s an alternative in the form of non-planar slicing, where the layers can follow 3D curves. [Rene K.

3D printers can make objects of practically any shape you can dream up, but despite the fact that they’re so capable, there’s one thing that they often struggle with: overhangs. Filament-based 3D ...