Reddit user corttana and her husband dahburbb have a pair of Portal-themed mirrors in their basement den:
They were DIY-ed with mirrors, LED rope light, and wood, plus glue and various attachment / hanging supplies. There are some detail photos on Imgur, and dahburbb provides a list of materials and a how-to. This project is four years old already, but still oh, so good. 🙂
In Making Stuff occasional feature, we share fun arts and crafts done by us and our fellow geeks and nerds.