light_source{z*-9color rgb 1.5}#macro S(C,H)union{sphere{H/2,.199}sphere{-H/2,.2}pigment{rgb.9}finish{phong.7}scale C/2translate C}#end difference{superellipsoid{<.2.2>}S(x,z+y)S(x,z-y)S(-z,x+y)S(-y,0)pigment{rgb x}finish{phong.8}rotate 32translate z*4}