![](https://static.dezeen.com/uploads/2012/09/dezeen_Hardcoded-Memory-by-Troika_13a.jpg)
Hardcoded Memory by Troika
London Design Festival: in the first of three posts about the Digital Crystal exhibition at London's Design Museum, we look at a mechanical projector built by London design studio Troika which uses Swarovski crystal lenses and LEDs to create portraits on the gallery wall (+ slideshow). More