diff --git a/headband.scad b/headband.scad
index 9a0bab7..53465e7 100644
--- a/headband.scad
+++ b/headband.scad
@@ -1,13 +1,7 @@
 include <globals.scad>
+include <primitives.scad>
 use <chamfer.scad>
 
-module partial_ring(part, radius, thickness, height) {
-  rotate(180-180*part, [0, 0, 1])
-    rotate_extrude(angle=360*part)
-      translate([radius, 0])
-        square([thickness, height], center=true);
-}
-
 module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, rake_depth=RAKE_DEPTH, rake_width=RAKE_WIDTH, rake_stretch=RAKE_STRETCH, rake_chamfer=RAKE_CHAMFER, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true, details=true) {
   union() {
     chamfer(size=(details)?chamfer:0, child_h=height, child_bot=-height/2, shape=chamfer_shape) union() {
diff --git a/pressfit_catears.scad b/pressfit_catears.scad
index 69b0e1d..4fbeafe 100644
--- a/pressfit_catears.scad
+++ b/pressfit_catears.scad
@@ -17,7 +17,7 @@ difference() {
       translate([-j*20, 0, 0])
         rotate(90, [0, 1, 0])
           /*chamfer(size=1, child_h=1, child_bot=-0.5, shape=CHAMFER_SHAPE)*/
-            catear(
+            catear_v1(
               debug=DEBUG,
               height=INSERTICLE_Z*1.2,
               thickness=THICKNESS,