[general]
name = MoebiusStrip;
comments = Moebius Strip. August Ferdinand Moebius (1790-1868).;
a1_min = -0.4;
a1_max = 0.4;
a1_steps = 40;
a2_min = 0; 
a2_max = 360;
a2_steps = 40;

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

[param]
name = b;
title = Windings (integer);
default = 1;
min = 1;
max = 10;


[formula]
T1 = cos(A2);
T2 = cos(b * A2/2);
T3 = sin(A2);

X = a * T1 + A1 * T2 * T1;
Y = A1 * sin(b * A2/2);
Z = a * T3 + A1 * T2 * T3;


[preset]
name = default;
a = 1;
b = 1;
a1_min = -0.4;
a1_max = 0.4;
a1_steps = 40;
a2_min = 0; 
a2_max = 360;
a2_steps = 40;