Stiletto surface

By Roger Bagula
Graphics by Paul Bourke

August 2002

x = (2 + cos(u)) cos(v)3 sin(v)

y = (2 + cos(u+2pi/3)) cos(v+2pi/3)2 sin(v+2pi/3)2

z = -(2 + cos(u-2pi/3)) cos(v+2pi/3)2 sin(v+2pi/3)2

0 <= u <= 2 pi, 0 <= v <= 2 pi