diff --git a/examples/JK_projector_takeup.scad b/examples/JK_projector_takeup.scad
index 8f1d322..e0528e0 100644
--- a/examples/JK_projector_takeup.scad
+++ b/examples/JK_projector_takeup.scad
@@ -14,7 +14,7 @@ ARM_REINFORCEMENT_Z = 4.1;
 ARMS_ANGLE = 40;
 
 AX = 105;
-AY = 26.85;
+AY = 26.85 - 2;
 AZ = 6.1;
     
 BX = 105;
@@ -35,6 +35,19 @@ module m5_nut (pos = [0, 0, 0]) {
     translate(pos) hex(9.4, 4);
 }
 
+module block_bolt_voids (pos = [0, 0, 0]) {
+    translate(pos) {
+        translate([BOLTSX / 2, 0, 0]) {
+            cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
+            m5_nut([0, 0, 3]);
+        }
+        translate([-BOLTSX / 2, 0, 0]) {
+            cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
+            m5_nut([0, 0, 3]);
+        }
+    }
+}
+
 module block () {
     cube([AX, AY, AZ], center = true);
     translate([0, -(AY - BY) / 2, (AZ / 2) + (BZ / 2)]) {
@@ -48,18 +61,10 @@ module block () {
                     cylinder(r= R(13), h = BZ, center = true, $fn = 60);
                 }
             }
+            //void for motor parts
             translate([0, BY - 5.44, 0]) cube([53.2, BY, BZ + 1], center = true);
             //bolts
-            translate([0, (BY / 2) - 3.5, 0]) {
-                translate([BOLTSX / 2, 0, 0]) {
-                    cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
-                    m5_nut([0, 0, 3]);
-                }
-                translate([-BOLTSX / 2, 0, 0]) {
-                    cylinder(r = 4.95 / 2, h = BZ + 1, center = true, $fn = 50);
-                    m5_nut([0, 0, 3]);
-                }
-            }   
+            block_bolt_voids([0, (BY / 2) - 3.5, 0]); 
         }
     }
 }
@@ -68,33 +73,37 @@ module original_takeup () {
     block();
 }
 
-module projector_mount () {
+module projector_mount (pos = [0, 0, 0], rot = [0, 0, 0]) {
 	//intersection () {}
 	$fn = 60;
-	intersection () {
-		rotate([0, 180, 0]) minimal_mount();
-		translate([-10, 0, 0]) rounded_cube([50, 30, 20], d = 12, center = true);
-	}
+    translate(pos) rotate(rot) {
+        intersection () {
+            rotate([0, 180, 0]) minimal_mount();
+            translate([-10, 0, 0]) rounded_cube([50, 30, 20], d = 12, center = true);
+        }
+    }
 	//translate([-8.5, 0, 12])  rotate([0, 0, 180]) geared_motor();
     //translate([0, 0, -34]) rotate([180, 0, 0]) daylight_spool_insert();
 }
 
-module projector_arm () {
-	difference () {
-		union () {
-			cube([ARM_LENGTH, ARM_WIDTH, ARM_HEIGHT], center = true);
-			translate([(ARM_CUTOFF/2) - 2.1, 0, 0]) scale([2, 1, 1]) rotate([0, 0, 45]) cube([30, 30, ARM_HEIGHT], center = true);
-		}
-		translate([ARM_CUTOFF, 0, 0]) cube([ARM_LENGTH, 52, ARM_HEIGHT + 1], center = true);
-	}
-    translate([-ARM_REINFORCEMENT_OFFSET_X / 2, 0, -ARM_REINFORCEMENT_Z / 2]) difference() {
-        cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X, ARM_REINFORCEMENT_Y, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
-        translate([0, 0, -ARM_HEIGHT - ARM_REINFORCEMENT_Z + 2]) rotate([0, -5, 0]) cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X + 20, ARM_REINFORCEMENT_Y + 1, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
+module projector_arm (pos = [0, 0, 0], rot = [0, 0, 0]) {
+    translate(pos) rotate(rot) {
+        difference () {
+            union () {
+                cube([ARM_LENGTH, ARM_WIDTH, ARM_HEIGHT], center = true);
+                translate([(ARM_CUTOFF/2) - 2.1, 0, 0]) scale([2, 1, 1]) rotate([0, 0, 45]) cube([30, 30, ARM_HEIGHT], center = true);
+            }
+            translate([ARM_CUTOFF, 0, 0]) cube([ARM_LENGTH, 52, ARM_HEIGHT + 1], center = true);
+        }
+        translate([-ARM_REINFORCEMENT_OFFSET_X / 2, 0, -ARM_REINFORCEMENT_Z / 2]) difference() {
+            cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X, ARM_REINFORCEMENT_Y, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
+            translate([0, 0, -ARM_HEIGHT - ARM_REINFORCEMENT_Z + 2]) rotate([0, -5, 0]) cube([ARM_LENGTH - ARM_REINFORCEMENT_OFFSET_X + 20, ARM_REINFORCEMENT_Y + 1, ARM_HEIGHT + ARM_REINFORCEMENT_Z], center = true);
+        }
     }
 }
 
-module filter_holder () {
-    difference () {
+module filter_holder (pos = [0, 0, 0]) {
+    translate(pos) difference () {
         cube([FILTER_X, 13.25, 50.5], center = true);
         //center void
         cube([42.4, 13.25 + 1, 50.5 + 1], center = true);
@@ -103,10 +112,10 @@ module filter_holder () {
     }
 }
 
-module filter_reinforcement () {
+module filter_reinforcement (pos = [0, 0, 0]) {
     Z = 19.5 + 7.83-5.75;
     X = AX;
-    difference () {
+    translate(pos) difference () {
         cube([X, 15.5, Z], center = true);
         cube([FILTER_X - 0.1, 15.5 + 1, Z + 1], center = true);
         translate([X - 19.5, -9, 0]) cube([X, 15.5, Z + 1], center = true);
@@ -129,19 +138,19 @@ module jk_takeup () {
     difference () {
         union () {
             block();
-            translate([0, 0, -27.5]) filter_holder();
-            translate([0, -1.1, -16+(5.75/2)]) filter_reinforcement();
+            filter_holder([0, 0, -27.5]);
+            filter_reinforcement([0, -1.1, -16+(5.75/2)]);
         }
         roller_bolts();
     }
     translate([0, 0, 1.8]) {
         translate([-30, 0, 0]) rotate([0, 0, ARMS_ANGLE]) {
-            translate([-ARM_LENGTH/2, 0, 2.75]) rotate([0, 0, 180]) projector_arm();
-            translate([-ARM_LENGTH, 0, 5.5]) rotate([0, 0, 180]) projector_mount();
+            projector_arm([-ARM_LENGTH/2, 0, 2.75], [0, 0, 180]);
+            projector_mount([-ARM_LENGTH, 0, 5.5], [0, 0, 180]);
         }
         translate([30, 0, 0]) rotate([0, 0, -ARMS_ANGLE]) {
-            translate([ARM_LENGTH/2, 0, 2.75]) projector_arm();
-            translate([ARM_LENGTH, 0, 5.5]) projector_mount();
+            projector_arm([ARM_LENGTH/2, 0, 2.75]);
+            projector_mount([ARM_LENGTH, 0, 5.5]);
         }
     }
 }
@@ -200,8 +209,8 @@ module idle_roller_cap () {
 
 //translate([0, 0, 40]) color("red") original_takeup();
 //jk_takeup();
-//jk_takeup_halves();
+jk_takeup_halves();
 //color("blue") jk_takeup_halves("B");
 //m5_nut();
-idle_roller();
+//idle_roller();
 //translate([0, 0, (20.2 / 2) - (5 / 2)]) idle_roller_cap();
\ No newline at end of file