An OpenScad design for a hanger to hold my coffee scoop on the side of the jar I store my coffee beans in. It is parametric, although wholly cryptic.

CoffeeScoopHolder.scad

id = 72;
od = 80;
os = 72;
id2 = 10.3;
od2 = 18.3;
th=4;

sep = os - (id2/2) - (id/2);

theta = ((th + 0.5) / (od / 2)) * 360 / 6.28;

linear_extrude(height=th)
difference(){
    union(){
      hull(){
        circle(r=(od/2));
        translate([os,0,0]) circle(r=od2/2);
	  }
        rotate([0,0,theta]) translate([-od/2, 0]) circle(r=th);
        rotate([0,0,-theta]) translate([-od/2, 0]) circle(r=th);
    }

	circle(r=(id/2));
	translate([id/2 + sep/2,0,0]) circle(r=(sep/2 - 4));
	translate([os,0,0]) circle(r=id2/2);
    translate([-od/2-2,0]) square([th*3+2,1],center=true);

    rotate([0,0,theta]) translate([-od/2,0]) circle(r=th/2);
    rotate([0,0,-theta]) translate([-od/2,0]) circle(r=th/2);

}