[back]  3.49. Stiletto Surface 
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The stiletto surface [ 8 ] is represented by the following equations.
x = (2+cos(u)) cos(v) cos(v) cos(v) sin(v) 
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y = (2+cos(u+2pi/3)) cos(v+2pi/3) cos(v+2pi/3) sin(v+2pi/3) sin(v+2pi/3 ) 
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z = (2+cos(u2pi/3)) cos(v+2pi/3) cos(v+2pi/3) sin(v+2pi/3) sin(v+2pi/ 3) 
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To represent the area, the two parameters u and v can assume the following values (domain of definition), for example.
u is an element from the set of numbers [0, 2 pi] 

v is an element from the number set [0, pi] 
Since the Stiletto Surface is a closed figure, the definition range must be adhered to exactly, it cannot be changed with the plugin.
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