Keys of Light

3DLP installed the interactive projection system for “Keys of Light” at Electric Castle, presented with Lidl in front of Bánffy Castle from 16 to 20 July 2025. Sounds made by visitors drove the mapped animation in real time, sending neon outlines, colour blocks, rippling patterns and hand-drawn gestures across the Gothic Revival façade. Precise calibration held the responsive graphics inside the central building's windows, arches and pinnacles, turning a live musical contribution into an immediate architectural performance for the surrounding festival audience.