Customized version of http://www.thingiverse.com/thing:175490

This Thing is made with the Version 1 of the sinoid sphere plotter using this functions:

function rx(a,b) = cos(a )cos(b )gr ;
function ry(a,b) = sin(a)cos(b )gr;
function rz(a,b) = sin( a2 ) gr;

Using the following options: (Version 1)

detail = 80
d = 0.5
gr = 10