diff --git a/examples/qfp80.example.tsx b/examples/qfp80.example.tsx
new file mode 100644
index 0000000..4c8f687
--- /dev/null
+++ b/examples/qfp80.example.tsx
@@ -0,0 +1,12 @@
+import { JsCadFixture } from "jscad-fiber";
+import { QFP } from "../lib/qfp";
+import { ExtrudedPads } from "../src/lib/ExtrudedPads";
+
+export default () => {
+  return (
+    <JsCadFixture zAxisUp>
+      <QFP pinCount={80} />
+      <ExtrudedPads footprint="qfp80" />
+    </JsCadFixture>
+  );
+};
diff --git a/lib/qfp.tsx b/lib/qfp.tsx
index dee1108..7d74112 100644
--- a/lib/qfp.tsx
+++ b/lib/qfp.tsx
@@ -3,13 +3,12 @@ import { SmdChipLead } from "./SmdChipLead";
 
 export const QFP = ({
   pinCount,
-  fullWidth = 10,
 }: {
   pinCount: number;
-  fullWidth?: number;
 }) => {
   const sidePinCount = pinCount / 4;
-  const pinSpacing = 0.5; 
+  const pinSpacing = 0.5;
+  const fullWidth = pinSpacing * sidePinCount + 4;
   const fullLength = fullWidth;
   const pinOffsetToCenter = ((sidePinCount - 1) * pinSpacing) / 2;