Seven-segment displays are ubiquitous ... We’re all familiar with their classic visage; slightly italicized numbers that are brought to life by LEDs. There are a boatload of variants available ...

seven-segment display (Image courtesy of LXD, Inc.) In their natural state, liquid crystals line up with the orientation "rubbed" into the front and rear glass panels. The rubbings are microscopic ...

Seven-segment displays have been around for a long time, and there is a seemingly endless number of ways to build them. The latest of is a mechanical seven-segment from a master of 3D printed ...