diff --git a/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.json b/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.json
new file mode 100644
index 000000000..36293b1fd
--- /dev/null
+++ b/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.json
@@ -0,0 +1,10 @@
+{
+  "title": "2D and 3D raycasting with vanilla JavaScript",
+  "author": {
+    "name": "Aleksandr Hovhannisyan",
+    "url": "https://www.aleksandrhovhannisyan.com/"
+  },
+  "url": "https://github.com/AleksandrHovhannisyan/raycasting-js/",
+  "submittedOn": "2024-11-25T15:45:03.372Z",
+  "socialPermission": true
+}
diff --git a/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.png b/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.png
new file mode 100644
index 000000000..60d9e69bc
Binary files /dev/null and b/content/videos/challenges/146-rendering-ray-casting/showcase/contribution-1732549503.png differ