Laserbank Small parts and tools as spare parts or for self-assembly of a laser projector:
Laser scanner and laser scanner driver as spare parts or for self-assembly of a laser projector:
Each individual Lightworld Grating is the Original of the artistic and technological optoholographic / photographic unique development of the creator. The manufacture of copies is prohibited by national law (URHG §2, #5, #6) and international law (WTO 1994, Trips31).
Diffraction grating explanation at Wikipedia...