[general]
name = Twisted Sphere;
comments = Twisted Sphere surface;
a1_min = -180;
a1_max = 180;
a1_steps = 50;
a2_min = -180; 
a2_max = 180;
a2_steps = 50;

[param]
name = a;
title = Radius;
default = 1;
min = 0.1;
max = 3;

[param]
name = b;
title = Offset;
default = 1;
min = 0.1;
max = 3;

[formula]
X = a * cos(A1) * cos(A2);
Y = 1 * sin(A2) + b * rad(A1);
Z = a * sin(A1) * cos(A2);


[preset]
name = default;
a = 1;
b = 1;
a1_min = -180;
a1_max = 180;
a1_steps = 50;
a2_min = -180; 
a2_max = 180;
a2_steps = 50;