diff --git a/split_reel.scad b/split_reel.scad
index 9b852bf..447c3cd 100644
--- a/split_reel.scad
+++ b/split_reel.scad
@@ -2,17 +2,43 @@ include <./common/common.scad>;
 include <./common/threads.scad>;
 
 Core16mm = 25.5;
+Socket16mmH = 11;
 PlatterThickness = 1.6;
 Platter120m = 178;
 Thread16mmD = 17.5;
-Pitch16mm = 1.55;
+Pitch16mm = 1.525;
+
+SocketSuper8H = 4;
+ThreadSuper8D = 21;
+
+module rotary_text (TextArr = ["T","e","s","t"], D = 40, CharacterAngle = 15) {
+    Radius = R(D);
+    Chars = len(TextArr);
+    for (i = [0:1:Chars]) {
+        rotate([0, 0, -i * CharacterAngle]) translate([0, Radius, 0]) {
+            scale([0.5, 0.5, 1]) linear_extrude(height = 1) {
+                text(TextArr[i], halign = "center");
+            }
+        }
+    }
+}
 
 module thread_16mm ( pos = [0, 0, 0], length = 11, chamfer = false, pad = 0) {
     translate(pos) {
         if (chamfer) {
-           metric_thread (diameter=Thread16mmD, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
+            metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
         } else {
-            metric_thread (diameter=Thread16mmD, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
+            metric_thread (diameter=Thread16mmD + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
+        }
+    }
+}
+
+module thread_super8 ( pos = [0, 0, 0], length = 6, chamfer = false, pad = 0) {
+    translate(pos) {
+        if (chamfer) {
+            metric_thread (diameter=ThreadSuper8D + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=2, leadfac=1.5);
+        } else {
+            metric_thread (diameter=ThreadSuper8D + pad, pitch=Pitch16mm, length=length, internal=false, n_starts=1, thread_size=-1, groove=false, square=false, rectangle=0, angle=30, taper=0, leadin=0, leadfac=1.5);
         }
     }
 }
@@ -23,7 +49,12 @@ module threaded_core (pos = [0, 0, 0], format = "16mm") {
         if (format == "16mm") {
             union () {
                 cylinder(r = R(Core16mm), h = 6, center = true);
-                thread_16mm([0, 0, 1.5], length = 14, chamfer = true);
+                thread_16mm([0, 0, 1.5], length = Socket16mmH + 3, chamfer = true, pad = -0.2);
+            }  
+        } else if (format == "super8") {
+            union () {
+                cylinder(r = R(Core16mm), h = 4, center = true);
+                thread_super8([0, 0, 0], length = SocketSuper8H + 3, chamfer = true, pad = -0.2);
             }  
         }
     }
@@ -34,7 +65,11 @@ module socket_core (pos = [0, 0, 0], format = "16mm") {
     translate (pos) {
         if (format == "16mm") {
             difference () {
-                cylinder(r = R(Core16mm), h = 11, center = true);
+                cylinder(r = R(Core16mm), h = Socket16mmH, center = true);
+            }
+        } else if (format == "super8") {
+            difference () {
+                cylinder(r = R(Core16mm), h = SocketSuper8H, center = true);
             }
         }
     }
@@ -51,41 +86,93 @@ module platter (pos = [0, 0, 0], length = 120) {
     }
 }
 
+module split_reel_16mm_A (length = 120) { 
+    difference () {
+        union () {
+            difference () {
+                platter([0, 0, 0], length = length);
+                translate([0, 0, -0.5]) rotate([180, 0, 0]) rotate([0, 0, (5 * 3.75) / 2]) rotary_text(["1", "6", "m", "m", " ", " ", "1", "2", "0", "m", "/", "4", "0", "0", "f", "t"],  D = Platter120m - 15, CharacterAngle=3.75);
+            }
+            threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "16mm");
+            rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (4.75 / 2)]) cylinder(r = R(6.25), h = 4.75, center = true, $fn = 60);
+            
+        }
+        cube([8.5, 8.5, 50], center = true);
+        rotate([0, 0, 45]) translate([5.5, 0, 0]) cube([3, 3, 50], center = true);
+    }
+}
+
+module split_reel_16mm_B ( length = 120) {
+    difference () {
+        union () {
+            platter([0, 0, 0], length = length);
+            socket_core([0, 0, (PlatterThickness / 2) + (Socket16mmH / 2)], format = "16mm");
+        }
+        rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
+            thread_16mm([0, 0, -13], 15);
+            thread_16mm([0, 0, -13.1], 15);
+        }
+    }
+}
+
+module split_reel_super8_A ( length = 120) { 
+    BaseH = 4;
+    NotchH = 2;
+    NotchW = 19;
+    
+    difference () {
+        union () {
+            platter([0, 0, 0], length = length);
+            threaded_core([0, 0, (PlatterThickness / 2) + (BaseH / 2)], format = "super8");
+            rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (NotchH / 2)]) cylinder(r = R(6.25), h = NotchH, center = true, $fn = 60);
+        }
+        cylinder(r = R(13), h = 50, center = true, $fn = 80);
+        for (i = [0 : 2]) {
+            rotate([0, 0, i * (360 / 3)]) translate([NotchW / 4, 0, 0]) cube([NotchW / 2, 2.25, 8], center = true);
+        }
+    }
+}
+
+module split_reel_super8_B ( length = 120) {
+    difference () {
+        union () {
+            platter([0, 0, 0], length = length);
+            socket_core([0, 0, (PlatterThickness / 2) + (SocketSuper8H / 2)], format = "super8");
+        }
+        rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
+            thread_super8([0, 0, -13], 15);
+            thread_super8([0, 0, -13.1], 15);
+        }
+    }
+}
+
 //length in meters
 module split_reel (format = "16mm", length = 120, half = "A") {
-
-    if (half == "A") {
-        difference () {
-            union () {
-                platter([0, 0, 0], length = length);
-                threaded_core([0, 0, (PlatterThickness / 2) + (6 / 2)], format = "16mm");
-                rotate([0, 0, 135]) translate([18.5, 0, (PlatterThickness / 2) + (4.75 / 2)]) cylinder(r = R(6.25), h = 4.75, center = true, $fn = 60);
-            }
-            if (format == "16mm") {
-                cube([8.5, 8.5, 50], center = true);
-                rotate([0, 0, 45]) translate([5.5, 0, 0]) cube([3, 3, 50], center = true);
-            }
+    if (format == "16mm") {
+        if (half == "A") {
+            split_reel_16mm_A(length = length);
+        } else if (half == "B") {
+            split_reel_16mm_B(length = length);
         }
-    } else if (half == "B") {
-        difference () {
-            union () {
-                platter([0, 0, 0], length = length);
-                socket_core([0, 0, (PlatterThickness / 2) + (11 / 2)], format = "16mm");
-            }
-            rotate([180, 0, 0]) scale([1.02, 1.02, 1]) {
-                thread_16mm([0, 0, -13], 15);
-                thread_16mm([0, 0, -13.1], 15);
-            }
+    } else if (format == "super8") {
+        if (half == "A") {
+            split_reel_super8_A(length = length);
+        } else if (half == "B") {
+            split_reel_super8_B(length = length);
         }
     }
 }
 
 PART = "split_reel_16mm_120m_B";
-intersection () {
-    if (PART == "split_reel_16mm_120m_A") {
-        split_reel("16mm", 120, "A");
-    } else if (PART == "split_reel_16mm_120m_B") {
-        split_reel("16mm", 120, "B");
-    }
-    cube([30, 30, 40], center = true);
-}
\ No newline at end of file
+//intersection () {
+if (PART == "split_reel_16mm_120m_A") {
+    split_reel("16mm", 120, "A");
+} else if (PART == "split_reel_16mm_120m_B") {
+    split_reel("16mm", 120, "B");
+} else if (PART == "split_reel_super8_120m_A") {
+    split_reel("super8", 120, "A");
+} else if (PART == "split_reel_super8_120m_B") {
+    split_reel("super8", 120, "B");
+}
+//cube([40, 40, 40], center = true);
+//}