record sound wave through coloring
ENTRAPPED SOUND(Rommert Calje 2003)
http://www.rommertcalje.com/album_entrapped_sound/index_album_entrappedsound.html
These patterns recorded sound wave through water, this is a way to color objects, it might can be applied in the 3D objects. Let objects soak in the water and turn on the speaker, then add pigment into the water.