Glossy pictures made with Raster3D
http://www.bmsc.washington.edu/raster3d/raster3d.html
Refs:
Bacon, D.J. and Anderson, W.F. (1988). A Fast Algorithm for Rendering Space-Filling Molecule Pictures. J. Mol. Graphics 6, 219-220.
Merritt, E.A. and Bacon, D.J. (1997) Raster3D: Photorealistic Molecular Graphics. Methods in Enzymology 277, 505-524.