diff --git a/examples/JK_projector_takeup.scad b/examples/JK_projector_takeup.scad
index f9a0ff7..b9b5fef 100644
--- a/examples/JK_projector_takeup.scad
+++ b/examples/JK_projector_takeup.scad
@@ -29,6 +29,8 @@ FILTER_X = 55.4;
 FILTER_Y = 6.5;
 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);
 }
@@ -113,7 +115,14 @@ module filter_reinforcement () {
 }
 
 module roller_bolts () {
-    
+    translate([ROLLER_SPACING/2, 2, 0]) {
+        cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
+        translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
+    }
+    translate([-ROLLER_SPACING/2, 2, 0]) {
+        cylinder(r = R(4.25), h = 80, center = true, $fn = 40);
+        translate([0, 0, 7]) rotate([0, 0, 30]) m4_nut();
+    }
 }
 
 module jk_takeup () {
@@ -123,7 +132,7 @@ module jk_takeup () {
             translate([0, 0, -27.5]) filter_holder();
             translate([0, -1.1, -16]) filter_reinforcement();
         }
-        //roller_bolts();
+        roller_bolts();
     }
     translate([0, 0, 1.8]) {
         translate([-30, 0, 0]) rotate([0, 0, ARMS_ANGLE]) {
@@ -154,7 +163,7 @@ module jk_takeup_halves (HALF = "A") {
 }
 
 //translate([0, 0, 40]) color("red") original_takeup();
-jk_takeup();
+//jk_takeup();
 //jk_takeup_halves();
-//color("blue") jk_takeup_halves("B");
+color("blue") jk_takeup_halves("B");
 //m5_nut();
\ No newline at end of file