diff --git a/poly_gates.scad b/poly_gates.scad
deleted file mode 100644
index 7a06889..0000000
--- a/poly_gates.scad
+++ /dev/null
@@ -1,17 +0,0 @@
-$fn = 32;
-gate_height = 50;
-
-include<math.scad>;
-include<shapes.scad>;
-include<round_poly.scad>;
-
-function throw_travel(throw) = gate_height * tan(throw);
-
-module shape_gate (shape, throw, shaft_r, sharpness = 0) {
-  hull(){
-    round_poly(shape, shaft_r, sharpness);
-  }
-}
-
-shape_gate(sqr_poly, 10, 9 / 2, 1);
-  
diff --git a/shape_gate.scad b/shape_gate.scad
new file mode 100644
index 0000000..161be45
--- /dev/null
+++ b/shape_gate.scad
@@ -0,0 +1,17 @@
+$fn = 100;
+gate_height = 50;
+
+include<math.scad>;
+include<round_poly.scad>;
+
+module shape_gate (shape, throw, shaft_r, sharpness = 0) {
+  function throw_travel(throw) = gate_height * tan(throw);
+  
+  hull(){
+    linear_extrude(0.1)
+      round_poly(shape, shaft_r, 0, sharpness);
+    translate([0,0,gate_height])
+      linear_extrude(0.00001)
+        round_poly(shape, shaft_r, throw_travel(throw), sharpness);
+  }
+}