Added by Wesley Rose on November 13, 1999 at 15:21:38:
V = (355/2712)* [(SQRT{72})*S^2*T-9*S*T^2+(SQRT{2}+4)*T^3]
S = Dimension of edge of cube which encloses the Yoid polyhedron
T = Dimension of uniform cross sectional thickness
*Note that S >= T*[(SQRT{5}+1)/2]