diff --git a/experiments/2025-03-18/src/app.rs b/experiments/2025-03-18/src/app.rs
index 36892ce93..5482e4905 100644
--- a/experiments/2025-03-18/src/app.rs
+++ b/experiments/2025-03-18/src/app.rs
@@ -8,17 +8,13 @@ use winit::{
     window::{Window, WindowAttributes, WindowId},
 };
 
-use crate::{
-    geometry::TriMesh,
-    object::{HandleAny, Object},
-    render::Renderer,
-};
+use crate::{geometry::TriMesh, render::Renderer};
 
-pub fn run(shape: HandleAny) -> anyhow::Result<()> {
+pub fn run(tri_mesh: TriMesh) -> anyhow::Result<()> {
     let event_loop = EventLoop::new()?;
 
     let mut app = App {
-        tri_mesh: shape.tri_mesh(),
+        tri_mesh,
         window: None,
         renderer: None,
     };
diff --git a/experiments/2025-03-18/src/main.rs b/experiments/2025-03-18/src/main.rs
index b7b336597..cb74be75b 100644
--- a/experiments/2025-03-18/src/main.rs
+++ b/experiments/2025-03-18/src/main.rs
@@ -1,5 +1,7 @@
 #![allow(clippy::module_inception)]
 
+use object::Object;
+
 mod app;
 mod export;
 mod extra;
@@ -15,7 +17,7 @@ fn main() -> anyhow::Result<()> {
     let model = model::model();
 
     export::export(&model)?;
-    app::run(model)?;
+    app::run(model.tri_mesh())?;
 
     Ok(())
 }