Toy to be 3D printed for my daughter

star_wand.scad

function flatten(l) = [ for (a = l) for (b = a) b ];

module star(r, points=6, thickness=4) {

    outerRadius = r;
    innerRadius = r/2;
        
    step = 360 / points;
    halfStep = step / 2;
        
    starListPairs = [ for (i = [0 : step : 360]) [[outerRadius*cos(i), outerRadius*sin(i)], [innerRadius*cos(i+halfStep), innerRadius*sin(i+halfStep)]] ];
    starList = flatten(starListPairs);
    
    difference(){

        linear_extrude(5)
            offset(r=thickness/2) polygon(starList);

        translate([0,0,-1]) linear_extrude(9)
            offset(r=-thickness/2)  polygon(starList);

    }

}

star(40, 6);

translate([0,-20,2.5]) rotate([90,0,0]) cylinder(r=2.5, h=150, $fn=24);