Babyfusors!
Compared to the 1 foot deep ones, these 6 inch PRD's looks almost flat.. :D Still very cool looking objects, though not quite as crazy looking as the other ones.
Four done so far.. Wonder if I'll start to hear any difference soon?
Anyone got a guess as to how many is needed to make any difference in a room with approx 100 square meters(~1000 square feet) of surface? The four done so far are ~2x2 feet (65x60cm). None of them are going to be near the first reflection points if that helps in the guesswork.