diff --git a/50ft_v3/gnal_50ft.scad b/50ft_v3/gnal_50ft.scad
index b4672a4..dc29519 100644
--- a/50ft_v3/gnal_50ft.scad
+++ b/50ft_v3/gnal_50ft.scad
@@ -3,7 +3,6 @@
 include <../libraries/gnal_v3.scad>;
 
 SPOKE_COUNT = 24;
-PART="";
 
 module gnal_50ft_spiral (spiral_count = 40, od = 215.75) {
     outer_d = 215;
@@ -70,7 +69,7 @@ module gnal_50ft_spiral (spiral_count = 40, od = 215.75) {
                 }
                 for (i = [0 : SPOKE_COUNT * 2]) {
                     rotate([0, 0, (i + 0.5) * (360 / (SPOKE_COUNT * 2)) ]) {
-                       translate([(outer_d / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2(); 
+                       translate([(outer_d / 2) - (spoke_2_len / 2) + 1 , 0, -3.6]) triangle_void_2(i); 
                     }
                 }
             }
@@ -157,9 +156,11 @@ module gnal_50ft_top () {
 
 module film_guide (rotations = 40, id = 45.55, spacing = 2.075) {
 	$fn = 200;
-	//spiral(rotations, id, spacing, $fn);
+	spiral(rotations, id, spacing, $fn);
 }
 
+PART="spiral";
+
 if (PART == "spiral") {
     gnal_50ft_spiral();
 } else if (PART == "top") {
diff --git a/libraries/gnal_v3.scad b/libraries/gnal_v3.scad
index 411e255..07f8898 100644
--- a/libraries/gnal_v3.scad
+++ b/libraries/gnal_v3.scad
@@ -361,11 +361,12 @@ module gnal_spacer_16 () {
  **/
 
 module triangle_void () {
-    length = (81 / 2) - 9;
+    length = (81 / 2) - 9 + 10;
     width = 12;
     height = 4.5 + 2.7;
     ANGLE_A = 34.8;
     ANGLE_B = 180 / SPOKE_COUNT;
+    ANGLE_C = 20;
     difference () {
         translate([-1, 0, 0]) cube([length, width, height], center = true);
         translate([0, 10.3, 0]) rotate([0, 0, ANGLE_B]) cube([length * 2, width, height + 1], center = true);   
@@ -373,23 +374,33 @@ module triangle_void () {
 
         translate([0, 10.3, -.7]) rotate([ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);   
         translate([0, -10.3, -.7]) rotate([-ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
+
+        translate([(length / 2) + 2, 0, 0]) rotate([0, 0, ANGLE_C]) cube([10, width * 2, height + 1], center = true);
     }  
+    
 }
 
-module triangle_void_2 () {
-    length = 43 - 8;
+module triangle_void_2 (i) {
+    length = 43 - 8 + 10;
     width = 12;
     height = 4.5 + 2.7;
     ANGLE_A = 34.8;
     ANGLE_B = 90 / SPOKE_COUNT;
+    ANGLE_C = 20;
     angle_w = 10.2;
+
     difference () {
-        translate([-1, 0, 0]) cube([length, width, height], center = true);
+        translate([-3, 0, 0]) cube([length, width, height], center = true);
         translate([0, angle_w, 0]) rotate([0, 0, ANGLE_B]) cube([length *2, width, height * 10], center = true);   
         translate([0, -angle_w, 0]) rotate([0, 0, -ANGLE_B]) cube([length *2, width, height * 10], center = true);
 
         translate([0, angle_w, -.7]) rotate([ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);   
         translate([0, -angle_w, -.7]) rotate([-ANGLE_A, 0, 0]) cube([length *2, width, height * 10], center = true);
+        if (i % 2 == 0) {
+            translate([-(length / 2) - 5, 0, 0]) rotate([0, 0, ANGLE_C]) cube([10, width * 2, height + 1], center = true);
+        } else {
+            translate([-(length / 2) - 7, 0, 0]) rotate([0, 0, ANGLE_C]) cube([10, width * 2, height + 1], center = true);
+        }
     }  
 }