diff --git a/packages/pinball_components/assets/images/boundary/bottom.png b/packages/pinball_components/assets/images/boundary/bottom.png
index 7caf3e2f..2effb7ac 100644
Binary files a/packages/pinball_components/assets/images/boundary/bottom.png and b/packages/pinball_components/assets/images/boundary/bottom.png differ
diff --git a/packages/pinball_components/lib/src/components/boundaries.dart b/packages/pinball_components/lib/src/components/boundaries.dart
index 79b3f909..5f26ac7f 100644
--- a/packages/pinball_components/lib/src/components/boundaries.dart
+++ b/packages/pinball_components/lib/src/components/boundaries.dart
@@ -30,9 +30,9 @@ class _BottomBoundary extends BodyComponent with InitialPosition {
 
     final bottomLeftCurve = BezierCurveShape(
       controlPoints: [
-        Vector2(-43.6, -44.4),
-        Vector2(-31, -43.4),
-        Vector2(-18.7, -52.1),
+        Vector2(-43.9, -41.8),
+        Vector2(-35.7, -43),
+        Vector2(-19.9, -51),
       ],
     );
     final bottomLeftCurveFixtureDef = FixtureDef(bottomLeftCurve);
@@ -40,9 +40,9 @@ class _BottomBoundary extends BodyComponent with InitialPosition {
 
     final bottomRightCurve = BezierCurveShape(
       controlPoints: [
-        Vector2(31.8, -44.1),
-        Vector2(21.95, -47),
-        Vector2(12.3, -51.4),
+        Vector2(31.8, -44.8),
+        Vector2(21.95, -47.7),
+        Vector2(12.3, -52.1),
       ],
     );
     final bottomRightCurveFixtureDef = FixtureDef(bottomRightCurve);
@@ -77,7 +77,7 @@ class _BottomBoundary extends BodyComponent with InitialPosition {
         sprite: sprite,
         size: sprite.originalSize / 10,
         anchor: Anchor.center,
-        position: Vector2(-5.4, 57.4),
+        position: Vector2(-5.4, 55.8),
       ),
     );
   }
@@ -115,7 +115,7 @@ class _OuterBoundary extends BodyComponent with InitialPosition {
     final leftWall = EdgeShape()
       ..set(
         Vector2(-32.3, 57.2),
-        Vector2(-44.1, -44.4),
+        Vector2(-43.9, -41.8),
       );
     final leftWallFixtureDef = FixtureDef(leftWall);
     fixturesDefs.add(leftWallFixtureDef);
diff --git a/packages/pinball_components/sandbox/lib/common/trace.dart b/packages/pinball_components/sandbox/lib/common/trace.dart
index d64a5c6c..3131fc9c 100644
--- a/packages/pinball_components/sandbox/lib/common/trace.dart
+++ b/packages/pinball_components/sandbox/lib/common/trace.dart
@@ -11,8 +11,7 @@ extension BodyTrace on BodyComponent {
 
     unawaited(
       mounted.whenComplete(() {
-        final sprite = children.whereType<SpriteComponent>().first;
-        sprite.paint.color = sprite.paint.color.withOpacity(0.5);
+        children.whereType<SpriteComponent>().first.setOpacity(0.5);
       }),
     );
   }
diff --git a/packages/pinball_components/sandbox/lib/main.dart b/packages/pinball_components/sandbox/lib/main.dart
index 3d65dbe2..b3b331a7 100644
--- a/packages/pinball_components/sandbox/lib/main.dart
+++ b/packages/pinball_components/sandbox/lib/main.dart
@@ -24,5 +24,6 @@ void main() {
   addSlingshotStories(dashbook);
   addSparkyBumperStories(dashbook);
   addZoomStories(dashbook);
+  addBoundariesStories(dashbook);
   runApp(dashbook);
 }
diff --git a/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart b/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart
new file mode 100644
index 00000000..a480d1f9
--- /dev/null
+++ b/packages/pinball_components/sandbox/lib/stories/boundaries/boundaries_game.dart
@@ -0,0 +1,42 @@
+import 'dart:math' as math;
+
+import 'package:flame/extensions.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:sandbox/common/common.dart';
+import 'package:sandbox/stories/ball/basic_ball_game.dart';
+
+class BoundariesGame extends BasicBallGame {
+  BoundariesGame({
+    required this.trace,
+  }) : super(color: const Color(0xFFFF0000));
+
+  static const info = '''
+    Shows how Boundaries are rendered.
+
+    - Activate the "trace" parameter to overlay the body.
+    - Tap anywhere on the screen to spawn a ball into the game.
+''';
+
+  final bool trace;
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    await addFromBlueprint(Boundaries());
+    await ready();
+
+    camera
+      ..followVector2(Vector2.zero())
+      ..zoom = 6;
+
+    final bottomBoundary = children.whereType<BodyComponent>().first;
+    final outerBoundary = children.whereType<BodyComponent>().last;
+
+    if (trace) {
+      bottomBoundary.trace();
+      outerBoundary.trace();
+    }
+  }
+}
diff --git a/packages/pinball_components/sandbox/lib/stories/boundaries/stories.dart b/packages/pinball_components/sandbox/lib/stories/boundaries/stories.dart
new file mode 100644
index 00000000..945a2b2f
--- /dev/null
+++ b/packages/pinball_components/sandbox/lib/stories/boundaries/stories.dart
@@ -0,0 +1,17 @@
+import 'package:dashbook/dashbook.dart';
+import 'package:flame/game.dart';
+import 'package:sandbox/common/common.dart';
+import 'package:sandbox/stories/boundaries/boundaries_game.dart';
+
+void addBoundariesStories(Dashbook dashbook) {
+  dashbook.storiesOf('Boundaries').add(
+        'Basic',
+        (context) => GameWidget(
+          game: BoundariesGame(
+            trace: context.boolProperty('Trace', true),
+          ),
+        ),
+        codeLink: buildSourceLink('boundaries_game/basic.dart'),
+        info: BoundariesGame.info,
+      );
+}
diff --git a/packages/pinball_components/sandbox/lib/stories/stories.dart b/packages/pinball_components/sandbox/lib/stories/stories.dart
index d7409e87..40bf20cf 100644
--- a/packages/pinball_components/sandbox/lib/stories/stories.dart
+++ b/packages/pinball_components/sandbox/lib/stories/stories.dart
@@ -1,5 +1,6 @@
 export 'ball/stories.dart';
 export 'baseboard/stories.dart';
+export 'boundaries/stories.dart';
 export 'chrome_dino/stories.dart';
 export 'dash_nest_bumper/stories.dart';
 export 'effects/stories.dart';
diff --git a/packages/pinball_components/test/src/components/golden/boundaries.png b/packages/pinball_components/test/src/components/golden/boundaries.png
index d1ef9ce1..f184e3eb 100644
Binary files a/packages/pinball_components/test/src/components/golden/boundaries.png and b/packages/pinball_components/test/src/components/golden/boundaries.png differ