diff --git a/scad/bellows.scad b/scad/bellows.scad
new file mode 100644
index 0000000..cc03c5a
--- /dev/null
+++ b/scad/bellows.scad
@@ -0,0 +1,20 @@
+
+
+module bellows_camera_board () {
+    H = 6;
+    difference () {
+        cube([60, 60, H], center = true);
+        //center
+        cylinder(r = 38 / 2, h = H + 1, center = true, $fn = 360);
+        //center bevels
+        translate([0, 0, 2.25]) cylinder(r1 = 36 / 2, r2 = 40 / 2, h = 1.5, center = true, $fn = 360);
+        translate([0, 0, -2.25]) cylinder(r1 = 40 / 2, r2 = 36 / 2, h = 1.5, center = true, $fn = 360);
+        //corners
+        for (i = [0 : 3]) {
+            rotate([0, 0, i * (360 / 4) + 45 ]) translate([43.5, 0, 0]) cube([11, 11, H + 1], center = true);
+        }
+    }
+
+}
+
+bellows_camera_board();
\ No newline at end of file