Trying to fix submodules

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "common"]
-	path = common
-	url = https://git.sixteenmillimeter.com/modules/common.git

README.md

@@ -0,0 +1,5 @@
+# Split Reels
+
+3D-printable threaded split reels for 16mm and Super8 film.
+
+-----

common

@@ -1 +0,0 @@
-Subproject commit b499c2810117b5ca57014d5cb4219cf68b4c5c0f

scad/split_reel.scad

@@ -166,8 +166,31 @@ module split_reel (format = "16mm", length = 120, half = "A") {
     }
 }
 
+module buildPyramidalExtrude(height,maxOffset,nSlices){
+    heightIncrement = height / nSlices;
+    offsetIncrement = maxOffset / (nSlices-1);
+    for (i = [1 : nSlices]) {
+        linear_extrude(height=i * heightIncrement) {
+            offset(r = maxOffset - (i - 1) * offsetIncrement) {
+                children();
+            }
+        }
+    }
+}
+
+module logo_test () {
+    difference () {
+        split_reel("16mm", 120, "B");
+        translate([-45, -48, -0.65]) scale([0.25, 0.25, 1]) { 
+            rotate([180, 0, 0]) buildPyramidalExtrude(.5, .25, 20) {
+                import(file = "svg/logo.svg", center = true);
+            }
+        }
+    }
+}
+
 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") {
@@ -177,5 +200,3 @@ if (PART == "split_reel_16mm_120m_A") {
 } else if (PART == "split_reel_super8_120m_B") {
     split_reel("super8", 120, "B");
 }
-//cube([40, 40, 40], center = true);
-//}