wireMath20010101
besides the header, coordinates, color, parameter, variable, and generateSurface lines, all other lines are comments.
link http://organic.chemistry.utep.edu
coordinates off
color 255 255 0
parameter p 0 0.05 1
parameter q 0 6.28 6
parameter r -1 1 25
variable x (3-abs(r))*sin(q)/16+(r/1.3)^3
variable y p+r
variable z (3-abs(r))*cos(q)/32
generateSurface