diff --git a/crates/fj-viewer/src/graphics/mod.rs b/crates/fj-viewer/src/graphics/mod.rs
index e348f90f6..d19c88a41 100644
--- a/crates/fj-viewer/src/graphics/mod.rs
+++ b/crates/fj-viewer/src/graphics/mod.rs
@@ -18,6 +18,7 @@ pub use self::{
     device::DeviceError,
     draw_config::DrawConfig,
     renderer::{Renderer, RendererInitError},
+    vertices::Vertices,
 };
 
 pub const DEPTH_FORMAT: wgpu::TextureFormat = wgpu::TextureFormat::Depth32Float;
diff --git a/crates/fj-viewer/src/graphics/vertices.rs b/crates/fj-viewer/src/graphics/vertices.rs
index cee1458f9..d1b0acece 100644
--- a/crates/fj-viewer/src/graphics/vertices.rs
+++ b/crates/fj-viewer/src/graphics/vertices.rs
@@ -17,17 +17,7 @@ impl Vertices {
         }
     }
 
-    pub fn vertices(&self) -> &[Vertex] {
-        self.vertices.as_slice()
-    }
-
-    pub fn indices(&self) -> &[Index] {
-        self.indices.as_slice()
-    }
-}
-
-impl From<&Mesh<fj_math::Point<3>>> for Vertices {
-    fn from(mesh: &Mesh<fj_math::Point<3>>) -> Self {
+    pub fn from_mesh(mesh: &Mesh<fj_math::Point<3>>) -> Self {
         let mut vertices = Vec::new();
         let mut indices = Vec::new();
         let mut indices_by_vertex = BTreeMap::new();
@@ -59,6 +49,14 @@ impl From<&Mesh<fj_math::Point<3>>> for Vertices {
 
         Self { vertices, indices }
     }
+
+    pub fn vertices(&self) -> &[Vertex] {
+        self.vertices.as_slice()
+    }
+
+    pub fn indices(&self) -> &[Index] {
+        self.indices.as_slice()
+    }
 }
 
 #[derive(Clone, Copy, Debug, PartialEq, Pod, Zeroable)]
diff --git a/crates/fj-viewer/src/viewer.rs b/crates/fj-viewer/src/viewer.rs
index 370555bb3..b9855e0c3 100644
--- a/crates/fj-viewer/src/viewer.rs
+++ b/crates/fj-viewer/src/viewer.rs
@@ -5,7 +5,7 @@ use tracing::warn;
 use crate::{
     RendererInitError,
     camera::{Camera, FocusPoint},
-    graphics::{DrawConfig, Renderer},
+    graphics::{DrawConfig, Renderer, Vertices},
     input::{
         CameraTuningConfig, DEFAULT_CAMERA_TUNING_CONFIG, InputEvent,
         MouseButton,
@@ -58,7 +58,8 @@ impl Viewer {
 
     /// Handle the model being updated
     pub fn handle_model_update(&mut self, model: Model) {
-        self.renderer.update_geometry((&model.mesh).into());
+        self.renderer
+            .update_geometry(Vertices::from_mesh(&model.mesh));
 
         let aabb = model.mesh.aabb();
         if self.model.replace((model, aabb)).is_none() {