[general]
name = Helicoid Developable;
comments = ;
a1_min = 0;
a1_max = 360;
a1_steps = 80;
a2_min = -3; 
a2_max = 2;
a2_steps = 40;

[param]
name = a;
title = Radius;
default = 1;
min = 0.1;
max = 5;

[param]
name = b;
title = Spacing;
default = 0.5;
min = 0.1;
max = 3;


[formula]

X = a * (cos(A1) - A2 * sin(A1));
Y = b * (rad(A1) + A2);
Z = a * (sin(A1) + A2 * cos(A1));

[preset]
name = default;
a = 1;
b = 0.5;
a1_min = 0;
a1_max = 360;
a1_steps = 80;
a2_min = -3; 
a2_max = 2;
a2_steps = 40;