Bow Curve

By Paul Bourke

August 2002

x = (2 + T sin(2 pi u)) sin(4 pi v)

y = (2 + T sin(2 pi u)) cos(4 pi v)

z = T cos(2 pi u) + 3 cos(2 pi v)

0 <= u <= 1, 0 <= v <= 1, 0 < T (Thickness)