diff --git a/examples/JK_projector_takeup.scad b/examples/JK_projector_takeup.scad
index e0528e0..1083423 100644
--- a/examples/JK_projector_takeup.scad
+++ b/examples/JK_projector_takeup.scad
@@ -208,9 +208,13 @@ module idle_roller_cap () {
 }
 
 //translate([0, 0, 40]) color("red") original_takeup();
-//jk_takeup();
-jk_takeup_halves();
-//color("blue") jk_takeup_halves("B");
-//m5_nut();
-//idle_roller();
-//translate([0, 0, (20.2 / 2) - (5 / 2)]) idle_roller_cap();
\ No newline at end of file
+
+if (PART == "jk_takeup") {
+    jk_takeup();
+} else if (PART == "jk_takeup_half_a") {
+    jk_takeup_halves("A");
+} else if (PART == "jk_takeup_half_b") {
+    jk_takeup_halves("B");
+} else if (PART == "idle_roller") {
+    idle_roller();
+}