minkowski is cool

plant_label.openscad

$fn=10;
minkowski() {
difference() {
  cube(size=[100,13,0.5], center=true);
  union() {
    translate(v=[50,10,0]) rotate(a=[0,0,-30]) cube(size=[30,20,4], center=true);
    translate(v=[50,-10,0]) rotate(a=[0,0,30]) cube(size=[30,20,4], center=true);
  }
}
sphere(r=0.5, center=true);
}