diff --git a/crates/fj-interop/src/debug.rs b/crates/fj-interop/src/debug.rs
deleted file mode 100644
index 035d1a23a..000000000
--- a/crates/fj-interop/src/debug.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-//! Debug information definitions for the Fornjot ecosystem
-//!
-//! Defines debug information that is used by other crates within the Fornjot
-//! ecosystem. The types in here aren't very useful in themselves, but they
-//! define an interface that other crates use to communicate between each other.
-
-use fj_math::{Point, Segment};
-
-/// Debug info from the CAD kernel that can be visualized
-#[derive(Clone, Debug, Default)]
-pub struct DebugInfo {
-    /// Rays being used during face triangulation
-    pub triangle_edge_checks: Vec<TriangleEdgeCheck>,
-}
-
-impl DebugInfo {
-    /// Construct an empty instance of `DebugInfo`
-    pub fn new() -> Self {
-        Self::default()
-    }
-
-    /// Clear all information within this instance
-    ///
-    /// The resulting instance is the same, as if created by [`DebugInfo::new`],
-    /// but calling `clear` might be more efficient in regard to heap
-    /// allocations.
-    pub fn clear(&mut self) {
-        self.triangle_edge_checks.clear();
-    }
-}
-
-/// Record of a check to determine if a triangle edge is within a face
-#[derive(Clone, Debug)]
-pub struct TriangleEdgeCheck {
-    /// The origin of the ray used to perform the check
-    pub origin: Point<3>,
-
-    /// The points where the ray hit edges of the face
-    pub hits: Vec<Segment<3>>,
-}
-
-impl TriangleEdgeCheck {
-    /// Construct a new instance
-    pub fn new(origin: Point<3>) -> Self {
-        Self {
-            origin,
-            hits: Vec::new(),
-        }
-    }
-}
diff --git a/crates/fj-interop/src/lib.rs b/crates/fj-interop/src/lib.rs
index e2f455476..afc1b93d8 100644
--- a/crates/fj-interop/src/lib.rs
+++ b/crates/fj-interop/src/lib.rs
@@ -11,7 +11,6 @@
 
 #![warn(missing_docs)]
 
-pub mod debug;
 pub mod ext;
 pub mod mesh;
-pub mod processed_shape;
+pub mod model;
diff --git a/crates/fj-interop/src/model.rs b/crates/fj-interop/src/model.rs
new file mode 100644
index 000000000..3ea622da9
--- /dev/null
+++ b/crates/fj-interop/src/model.rs
@@ -0,0 +1,15 @@
+//! An approximated model
+
+use fj_math::{Aabb, Point};
+
+use crate::mesh::Mesh;
+
+/// An approximated model
+#[derive(Clone, Debug)]
+pub struct Model {
+    /// The triangle mesh that approximates the model
+    pub mesh: Mesh<Point<3>>,
+
+    /// The axis-aligned bounding box of the model
+    pub aabb: Aabb<3>,
+}
diff --git a/crates/fj-interop/src/processed_shape.rs b/crates/fj-interop/src/processed_shape.rs
deleted file mode 100644
index 6a112bd7d..000000000
--- a/crates/fj-interop/src/processed_shape.rs
+++ /dev/null
@@ -1,18 +0,0 @@
-//! A processed shape
-
-use fj_math::{Aabb, Point};
-
-use crate::{debug::DebugInfo, mesh::Mesh};
-
-/// A processed shape
-#[derive(Clone, Debug)]
-pub struct ProcessedShape {
-    /// The axis-aligned bounding box of the shape
-    pub aabb: Aabb<3>,
-
-    /// The triangle mesh that approximates the original shape
-    pub mesh: Mesh<Point<3>>,
-
-    /// The debug info generated while processing the shape
-    pub debug_info: DebugInfo,
-}
diff --git a/crates/fj-viewer/src/camera.rs b/crates/fj-viewer/src/camera.rs
index 5cb41ed40..5f328f186 100644
--- a/crates/fj-viewer/src/camera.rs
+++ b/crates/fj-viewer/src/camera.rs
@@ -1,7 +1,7 @@
 //! Viewer camera module
 use std::f64::consts::FRAC_PI_2;
 
-use fj_interop::{mesh::Mesh, processed_shape::ProcessedShape};
+use fj_interop::{mesh::Mesh, model::Model};
 use fj_math::{Aabb, Point, Scalar, Transform, Vector};
 
 use crate::screen::NormalizedScreenPosition;
@@ -82,7 +82,7 @@ impl Camera {
     pub fn focus_point(
         &self,
         cursor: Option<NormalizedScreenPosition>,
-        shape: &ProcessedShape,
+        shape: &Model,
     ) -> FocusPoint {
         self.calculate_focus_point(cursor, &shape.mesh)
             .unwrap_or_else(|| FocusPoint(shape.aabb.center()))
diff --git a/crates/fj-viewer/src/viewer.rs b/crates/fj-viewer/src/viewer.rs
index b99936d6d..24cbc25e7 100644
--- a/crates/fj-viewer/src/viewer.rs
+++ b/crates/fj-viewer/src/viewer.rs
@@ -1,4 +1,4 @@
-use fj_interop::processed_shape::ProcessedShape;
+use fj_interop::model::Model;
 use fj_math::Aabb;
 use tracing::warn;
 
@@ -28,7 +28,7 @@ pub struct Viewer {
     pub renderer: Renderer,
 
     /// The shape
-    pub shape: Option<ProcessedShape>,
+    pub shape: Option<Model>,
 }
 
 impl Viewer {
@@ -60,7 +60,7 @@ impl Viewer {
     }
 
     /// Handle the shape being updated
-    pub fn handle_shape_update(&mut self, shape: ProcessedShape) {
+    pub fn handle_shape_update(&mut self, shape: Model) {
         self.renderer.update_geometry((&shape.mesh).into());
 
         let aabb = shape.aabb;
diff --git a/crates/fj-window/src/display.rs b/crates/fj-window/src/display.rs
index 93fd1fab0..fb9ca48aa 100644
--- a/crates/fj-window/src/display.rs
+++ b/crates/fj-window/src/display.rs
@@ -1,6 +1,4 @@
-use fj_interop::{
-    debug::DebugInfo, mesh::Mesh, processed_shape::ProcessedShape,
-};
+use fj_interop::{mesh::Mesh, model::Model};
 use fj_math::{Aabb, Point};
 use fj_viewer::{
     InputEvent, NormalizedScreenPosition, RendererInitError, Screen,
@@ -24,10 +22,9 @@ pub fn display(mesh: Mesh<Point<3>>, invert_zoom: bool) -> Result<(), Error> {
     let window = Window::new(&event_loop)?;
     let mut viewer = block_on(Viewer::new(&window))?;
 
-    viewer.handle_shape_update(ProcessedShape {
+    viewer.handle_shape_update(Model {
         aabb: Aabb::<3>::from_points(mesh.vertices()),
         mesh,
-        debug_info: DebugInfo::new(),
     });
 
     let mut held_mouse_button = None;