Ray traced animations.

A trefoil knot animation (8.5meg).

Line art animation (5.5meg).

|x|^p + |y|^p + |z|^p = 1 as p varies from 0.25 to 6.00 with changing view (11.0meg).

z = (+/-)|(x + iy)^3 - 1| (11.0meg).

DNA model (17.0meg).

sphere of refracting cubical lenses.
two mirrors reflecting a mandelbrot textured cube.