How few corners can a shape have and still tile the plane?” mathematician Gábor Domokos asked me over pizza. His deceptively simple question was about the geometry of tilings, also called ...

3D printing can ignite your imagination and open up endless design possibilities. Whether you’re a hobbyist or a seasoned ...

When you want to visually imply growth, steps, directions, output or even a process, you might choose an arrow shape. Arrows are one of the most commonly used shapes in PowerPoint, and fortunately ...