showerhead.scad

rings=9;
ring_dist=12;
ring_dia=3;
// fibonacci
//holes=[1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 144 + 89];
holes=[1, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60];

plate_dia=200;
plate_thickness=5;

$fn = 50;
$fs = 0.01;

difference() {
    cylinder(h=plate_thickness, d=plate_dia);
    
    for (ring = [0:rings-1]) 
        for (hole = [0:holes[ring]]) 
            rotate(a= 360.0 / holes[ring] * hole)
                translate([ring_dist * ring, 0, 0])
                    cylinder (h = 20, d=ring_dia, center=true);
}