diff --git a/examples/JK_projector_takeup.scad b/examples/JK_projector_takeup.scad
index 9a1b900..d800b6b 100644
--- a/examples/JK_projector_takeup.scad
+++ b/examples/JK_projector_takeup.scad
@@ -32,7 +32,7 @@ FILTER_VOID_X = FILTER_X - 9 + ((4.5 - 2.34) * 2);
 ROLLER_SPACING = 95;
 
 module m5_nut () {
-    cylinder(r = R(9.4), h = 4, center = true, $fn = 6);
+    hex(9.4, 4);
 }
 
 module block () {
diff --git a/takeup.scad b/takeup.scad
index 5c48375..91b0f9d 100755
--- a/takeup.scad
+++ b/takeup.scad
@@ -15,10 +15,6 @@ MOTOR_MOUNT_Y = 17.5 + 0.1;
 
 M4 = 4.1;
 
-module hex (diag = 10, h = 1) {
-    cylinder(r = diag / 2, h = h, center = true, $fn = 6);
-}
-
 module motor_shaft () {
     difference () {
         cylinder(r = R(MOTOR_SHAFT_D), h = MOTOR_SHAFT_H, center = true, $fn = 60);
@@ -123,9 +119,11 @@ module motor_mount_void (D, Z) {
     translate([0, 0, 4.75]) cylinder(r = R(6), h = 3.5, center = true, $fn = 40);
 }
 
-module mount_plate_void () {
-    cylinder(r = R(4.25), h = 20, center = true, $fn = 40);  
-    translate([0, 0, 0.5]) cylinder(r = R(8), h = 3, center = true, $fn = 40);  
+module mount_plate_void (pos = [0, 0, 0]) {
+    translate(pos) {
+        cylinder(r = R(4.25), h = 20, center = true, $fn = 40);  
+        translate([0, 0, 0.5]) cylinder(r = R(8), h = 3, center = true, $fn = 40);  
+    }
 }
 
 module mount_plate () {
@@ -159,10 +157,10 @@ module mount_plate () {
             translate([-8 + 12.5 + 1, 0, 0]) cube([8, 17, Z], center = true);
         }
         
-        translate([MOUNT_X / 2,  MOUNT_Y / 2, 0]) mount_plate_void();
-        translate([-MOUNT_X / 2, MOUNT_Y / 2, 0]) mount_plate_void();
-        translate([MOUNT_X / 2, -MOUNT_Y / 2, 0]) mount_plate_void();
-        translate([-MOUNT_X / 2,-MOUNT_Y / 2, 0]) mount_plate_void();   
+        mount_plate_void([MOUNT_X / 2,  MOUNT_Y / 2, 0]);
+        mount_plate_void([-MOUNT_X / 2, MOUNT_Y / 2, 0]);
+        mount_plate_void([MOUNT_X / 2, -MOUNT_Y / 2, 0]);
+        mount_plate_void([-MOUNT_X / 2,-MOUNT_Y / 2, 0]);   
         
         translate([X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);
         translate([-X_CORNER, Y_CORNER, 3.26 - .5]) cube([CORNER, CORNER, 8], center = true);