moiré schatten

black strings, light source, pvc membrane, technical equipment
dimensions variable
moiré schatten moiré schatten

for moiré schatten a line pattern of black strings is spun in front of a wall-sized membrane box. the box is filled and and emptied with air so the strings and their shadows (produced by a strong light source) will show moirés that will change their appearance due to the deviation of the membrane.