[Lewis] has just the thing for that: a big expandable 7-segment display. The build is modular, allowing it to be extended from 2 to 10 digits and beyond. The digits themselves are made of 3D ...

This slimmed-down mechanical seven-segment display is a perfect example ... making the display pretty bulky front to back. Version 2 of the display takes a page from [Carl Bugeja]’s playbook ...

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 ...