Create a star. Default to a pentagram.
Since: 3.2
Parameters
outer_radius: the outer radius of the star. Default to 1.inner_radius: the inner radius of the star. Default to 0.381966.n: the burst number. Default to 5.
Examples
use <shape_star.scad>
polygon(shape_star());
translate([3, 0, 0])
polygon(shape_star(n = 8));

