SWIVEL DISC WITH DIAMETER OF 10 METERS
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Disc with large diameter and very slim thickness (13,5cm + 2cm wood surface for 10 m. diameter : currently, it's the only solution worldwide)
Disc turns slowly and with a precision of 5mm, without movement feeling when stepping from outside then into the disc.
Possibility to adjust strong electric power to center of disc (+/- 12000 Watts), a circuit in direct current, plus digital signal type DMX or CanBus