A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...
3D printers build objects by cross-section, one layer at a time from the ground up—gravity is the limiting factor. But what if it wasn’t? Using proprietary 3D printing materials, Petr Novikov and Saša ...