diff --git a/src/lib.rs b/src/lib.rs
index ff28b00..2051a4f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,3 +9,4 @@ pub mod layout;
 pub mod math;
 pub mod overlay;
 pub mod router;
+pub mod triangulation;
diff --git a/src/router/mod.rs b/src/router/mod.rs
index 5d923d7..56540e7 100644
--- a/src/router/mod.rs
+++ b/src/router/mod.rs
@@ -3,6 +3,5 @@ pub mod draw;
 pub mod navmesh;
 mod router;
 pub mod tracer;
-pub mod triangulation;
 
 pub use router::*;
diff --git a/src/router/navmesh.rs b/src/router/navmesh.rs
index bd1dbb0..e4bb404 100644
--- a/src/router/navmesh.rs
+++ b/src/router/navmesh.rs
@@ -19,7 +19,7 @@ use crate::{
     geometry::primitive::PrimitiveShapeTrait,
     graph::GetNodeIndex,
     layout::Layout,
-    router::triangulation::{GetVertexIndex, Triangulation, TriangulationEdgeReference},
+    triangulation::{GetVertexIndex, Triangulation, TriangulationEdgeReference},
 };
 
 #[enum_dispatch(GetNodeIndex, MakePrimitive)]
@@ -85,7 +85,7 @@ pub struct Navmesh {
 impl Navmesh {
     pub fn new(layout: &Layout<impl RulesTrait>) -> Result<Self, InsertionError> {
         let mut this = Self {
-            triangulation: Triangulation::new(layout.drawing()),
+            triangulation: Triangulation::new(layout.drawing().geometry().graph().node_bound()),
             vertex_to_triangulation_vertex: Vec::new(),
         };
         this.vertex_to_triangulation_vertex
diff --git a/src/router/triangulation.rs b/src/triangulation.rs
similarity index 94%
rename from src/router/triangulation.rs
rename to src/triangulation.rs
index f55006f..0677631 100644
--- a/src/router/triangulation.rs
+++ b/src/triangulation.rs
@@ -1,16 +1,10 @@
 use std::marker::PhantomData;
 
 use geo::{point, Point};
-use petgraph::visit::{self, NodeIndexable};
-use spade::{
-    handles::FixedVertexHandle, iterators::VertexIterator, DelaunayTriangulation, HasPosition,
-    InsertionError,
-};
+use petgraph::visit;
+use spade::{handles::FixedVertexHandle, DelaunayTriangulation, HasPosition, InsertionError};
 
-use crate::{
-    drawing::{rules::RulesTrait, Drawing},
-    graph::GetNodeIndex,
-};
+use crate::graph::GetNodeIndex;
 
 pub trait GetVertexIndex<I> {
     fn vertex(&self) -> I;
@@ -26,14 +20,13 @@ pub struct Triangulation<I: Copy + PartialEq + GetNodeIndex, W: GetVertexIndex<I
 impl<I: Copy + PartialEq + GetNodeIndex, W: GetVertexIndex<I> + HasPosition<Scalar = f64>>
     Triangulation<I, W>
 {
-    pub fn new(drawing: &Drawing<impl Copy, impl RulesTrait>) -> Self {
+    pub fn new(node_bound: usize) -> Self {
         let mut this = Self {
             triangulation: <DelaunayTriangulation<W> as spade::Triangulation>::new(),
             vertex_to_handle: Vec::new(),
             index_marker: PhantomData,
         };
-        this.vertex_to_handle
-            .resize(drawing.geometry().graph().node_bound(), None);
+        this.vertex_to_handle.resize(node_bound, None);
         this
     }