Or how a simple constraining grid can become a fertile ground for creativity. Each artwork unique and colorful. All coded in GLSL (GPU fragment shader language)

Polyform : multiple shapes used at the same time Opacity: additional transparency layer Position: position of the shape inside cell Rotation: rotation of the shape inside cell Feeling: an added graininess Coordinates: local or global coordinates of the shape System: polar or carthesian? Domain warping: an added distortion to the shapes