diff --git a/experiments/2024-10-30/src/mesh.rs b/experiments/2024-10-30/src/mesh.rs
index 607f3f4d3..a10bcb23c 100644
--- a/experiments/2024-10-30/src/mesh.rs
+++ b/experiments/2024-10-30/src/mesh.rs
@@ -1,3 +1,4 @@
+#[derive(Default)]
 pub struct Mesh {
     pub vertices: Vec<[f32; 3]>,
     pub triangles: Vec<[u32; 3]>,