change screw shape to star

planter.py

@@ -101,7 +101,12 @@ screw = ButtonHeadScrew(
 
 scaled_screw = screw.scale(0.90)
 
-screw_result = Workplane().circle(20).extrude(10).union(scaled_screw)
+screw_result = (
+    Workplane()
+    .makePolygon(star(outerRadius=22, innerRadius=13, n=6))
+    .extrude(10)
+    .union(scaled_screw)
+)
 
 result = result.workplane(offset=planter_height / 2).cylinder(80, 65, combine="cut")
 
@@ -140,7 +145,7 @@ assembly.add(result, loc=cq.Location((100, 100, 100)))
 assembly.add(circle_plate, loc=cq.Location((1100, 1100, 1100)))
 
 try:
-    show_object(circle_plate)
+    show_object(screw_result)
 except NameError:
     pass