diff --git a/experiments/2025-03-18/src/app.rs b/experiments/2025-03-18/src/app.rs
index 6aea94339..6ee2e42e0 100644
--- a/experiments/2025-03-18/src/app.rs
+++ b/experiments/2025-03-18/src/app.rs
@@ -8,7 +8,11 @@ use winit::{
     window::{Window, WindowAttributes, WindowId},
 };
 
-use crate::{object::HandleAny, render::Renderer, view::OperationView};
+use crate::{
+    object::{HandleAny, Object},
+    render::Renderer,
+    view::OperationView,
+};
 
 pub fn run(shape: HandleAny) -> anyhow::Result<()> {
     let view = OperationView::new(shape);
@@ -71,7 +75,7 @@ impl ApplicationHandler for App {
                 event_loop.exit();
             }
             WindowEvent::RedrawRequested => {
-                if let Err(err) = renderer.render(&self.view) {
+                if let Err(err) = renderer.render(&self.view.tri_mesh()) {
                     eprintln!("Render error: {err}");
                 }
             }
diff --git a/experiments/2025-03-18/src/render/renderer.rs b/experiments/2025-03-18/src/render/renderer.rs
index aa0775d1d..1e0353269 100644
--- a/experiments/2025-03-18/src/render/renderer.rs
+++ b/experiments/2025-03-18/src/render/renderer.rs
@@ -3,7 +3,7 @@ use std::sync::Arc;
 use anyhow::anyhow;
 use winit::window::Window;
 
-use crate::{object::Object, view::OperationView};
+use crate::geometry::TriMesh;
 
 use super::{geometry::Geometry, pipeline::Pipeline};
 
@@ -76,11 +76,8 @@ impl Renderer {
         })
     }
 
-    pub fn render(&mut self, operations: &OperationView) -> anyhow::Result<()> {
-        let selected_operation = operations.selected();
-
-        let geometry =
-            Geometry::new(&self.device, &selected_operation.tri_mesh());
+    pub fn render(&mut self, tri_mesh: &TriMesh) -> anyhow::Result<()> {
+        let geometry = Geometry::new(&self.device, tri_mesh);
 
         let mut encoder = self
             .device
diff --git a/experiments/2025-03-18/src/view.rs b/experiments/2025-03-18/src/view.rs
index 8424d9c03..22786a521 100644
--- a/experiments/2025-03-18/src/view.rs
+++ b/experiments/2025-03-18/src/view.rs
@@ -6,27 +6,11 @@ use crate::{
 #[derive(Clone)]
 pub struct OperationView {
     operation: HandleAny,
-    children: Vec<Self>,
-    selected: Option<usize>,
 }
 
 impl OperationView {
     pub fn new(operation: HandleAny) -> Self {
-        let children =
-            operation.children().into_iter().map(Self::new).collect();
-
-        Self {
-            operation,
-            children,
-            selected: None,
-        }
-    }
-
-    pub fn selected(&self) -> &Self {
-        self.selected
-            .and_then(|selected| self.children.get(selected))
-            .map(|child| child.selected())
-            .unwrap_or(self)
+        Self { operation }
     }
 }