diff --git a/examples/JK_projector_takeup.scad b/examples/JK_projector_takeup.scad
index 9fc58d0..35db56b 100644
--- a/examples/JK_projector_takeup.scad
+++ b/examples/JK_projector_takeup.scad
@@ -23,7 +23,10 @@ BZ = 5;
 
 BOLTSX = 77;
 
-M5 = 5; 
+M5 = 5;
+
+FILTER_X = 55.4;
+FILTER_Y = 6.5;
 
 module block () {
     cube([AX, AY, AZ], center = true);
@@ -70,6 +73,10 @@ module projector_arm () {
     }
 }
 
+module filter_holder () {
+    
+}
+
 module jk_takeup () {
     block();
     translate([0, 0, 1.8]) {
@@ -101,5 +108,6 @@ module jk_takeup_halves (HALF = "A") {
 }
 
 //translate([0, 0, 40]) color("red") original_takeup();
-jk_takeup_halves();
+jk_takeup();
+//jk_takeup_halves();
 //color("blue") jk_takeup_halves("B");
\ No newline at end of file