diff --git a/experiments/2024-12-09/src/geometry/sketch.rs b/experiments/2024-12-09/src/geometry/sketch.rs
index ea3713fa2..0b734c1e4 100644
--- a/experiments/2024-12-09/src/geometry/sketch.rs
+++ b/experiments/2024-12-09/src/geometry/sketch.rs
@@ -3,7 +3,7 @@ use std::collections::{BTreeMap, BTreeSet};
 use itertools::Itertools;
 
 use crate::{
-    math::{Plane, Point},
+    math::Point,
     object::Handle,
     topology::{
         face::Face, half_edge::HalfEdge, surface::Surface, vertex::Vertex,
@@ -15,14 +15,14 @@ pub struct Sketch {
 }
 
 impl Sketch {
-    pub fn to_face(&self, surface: Plane) -> Face {
+    pub fn to_face(&self, surface: Surface) -> Face {
         let mut vertices_by_local_point: BTreeMap<_, Vec<_>> = BTreeMap::new();
         let vertices = self
             .points
             .iter()
             .copied()
             .map(|point| {
-                let point = surface.point_from_local(point);
+                let point = surface.geometry.point_from_local(point);
                 let vertex = Handle::new(Vertex::new(point));
 
                 vertices_by_local_point
@@ -50,7 +50,7 @@ impl Sketch {
             },
         );
 
-        Face::new(Surface { geometry: surface }, half_edges, false)
+        Face::new(surface, half_edges, false)
     }
 }
 
diff --git a/experiments/2024-12-09/src/model.rs b/experiments/2024-12-09/src/model.rs
index 63d3dac2e..8631a20c8 100644
--- a/experiments/2024-12-09/src/model.rs
+++ b/experiments/2024-12-09/src/model.rs
@@ -3,6 +3,7 @@ use crate::{
     math::{Bivector, Plane, Point, Vector},
     object::{Handle, HandleAny},
     operations::sweep::SweepExt,
+    topology::surface::Surface,
 };
 
 pub fn model() -> HandleAny {
@@ -33,7 +34,7 @@ pub fn model() -> HandleAny {
             },
         };
 
-        let face = sketch.to_face(surface);
+        let face = sketch.to_face(Surface { geometry: surface });
         Handle::new(face)
     };