[chromationsystems] put out a couple instructibles on building infinity mirrors. One with an 8×8 array of LEDs and one with a 32 LED ring. These are very well documented covering the ...

[Dushyant] has stepped up his game for his new clock, attaching an LED strip along the inside of a circular frame to fashion the infinity mirror effect. The lights receive a signal from an ...

One of the mirrors is half-silvered so that it can reflect, but also let light out for your eyes to see. The LED images dim with each reflection since some light can escape from one of the mirrors.