diff --git a/src/face_crawler.rs b/src/face_crawler.rs
index 2e64cc2..f9e75e3 100644
--- a/src/face_crawler.rs
+++ b/src/face_crawler.rs
@@ -49,7 +49,7 @@ impl<F:Copy,E:Copy,V:Copy> State<FEV<F,E,V>>{
 			},
 			&FEV::<F,E,V>::Edge(edge_id)=>{
 				//test each face collision time, ignoring roots with zero or conflicting derivative
-				for &test_face_id in mesh.edge_side_faces(edge_id).iter(){
+				for &test_face_id in mesh.edge_faces(edge_id).iter(){
 					let (n,d)=mesh.face_nd(test_face_id);
 					for t in zeroes2((n.dot(body.position)-d)*2,n.dot(body.velocity)*2,n.dot(body.acceleration)){
 						let t=body.time+Time::from(t);
@@ -61,7 +61,7 @@ impl<F:Copy,E:Copy,V:Copy> State<FEV<F,E,V>>{
 					}
 				}
 				//test each vertex collision time, ignoring roots with zero or conflicting derivative
-				for &(vert_id,test_face_id) in mesh.edge_ends(edge_id).iter(){
+				for &(vert_id,test_face_id) in mesh.edge_verts(edge_id).iter(){
 					let (n,d)=mesh.face_nd(test_face_id);
 					for t in zeroes2((n.dot(body.position)-d)*2,n.dot(body.velocity)*2,n.dot(body.acceleration)){
 						let t=body.time+Time::from(t);
diff --git a/src/model_physics.rs b/src/model_physics.rs
index 47ef167..e60e1a9 100644
--- a/src/model_physics.rs
+++ b/src/model_physics.rs
@@ -45,8 +45,8 @@ pub trait MeshQuery<FACE:Clone,EDGE:Clone,VERT:Clone>{
 	fn face_nd(&self,face_id:FACE)->(Planar64Vec3,Planar64);
 	fn vert(&self,vert_id:VERT)->Planar64Vec3;
 	fn face_edges(&self,face_id:FACE)->Cow<Vec<(EDGE,FACE)>>;
-	fn edge_side_faces(&self,edge_id:EDGE)->Cow<[FACE;2]>;
-	fn edge_ends(&self,edge_id:EDGE)->Cow<[(VERT,FACE);2]>;
+	fn edge_faces(&self,edge_id:EDGE)->Cow<[FACE;2]>;
+	fn edge_verts(&self,edge_id:EDGE)->Cow<[(VERT,FACE);2]>;
 	fn vert_edges(&self,vert_id:VERT)->Cow<Vec<(EDGE,FACE)>>;
 }
 impl MeshQuery<FaceId,EdgeId,VertId> for PhysicsMesh{
@@ -64,10 +64,10 @@ impl MeshQuery<FaceId,EdgeId,VertId> for PhysicsMesh{
 	fn face_edges(&self,face_id:FaceId)->Cow<Vec<(EdgeId,FaceId)>>{
 		Cow::Borrowed(&self.face_topology[face_id.0].edges)
 	}
-	fn edge_side_faces(&self,edge_id:EdgeId)->Cow<[FaceId;2]>{
+	fn edge_faces(&self,edge_id:EdgeId)->Cow<[FaceId;2]>{
 		Cow::Borrowed(&self.edge_topology[edge_id.0].faces)
 	}
-	fn edge_ends(&self,edge_id:EdgeId)->Cow<[(VertId,FaceId);2]>{
+	fn edge_verts(&self,edge_id:EdgeId)->Cow<[(VertId,FaceId);2]>{
 		Cow::Borrowed(&self.edge_topology[edge_id.0].verts)
 	}
 	fn vert_edges(&self,vert_id:VertId)->Cow<Vec<(EdgeId,FaceId)>>{
@@ -138,10 +138,10 @@ impl MeshQuery<MinkowskiFace,MinkowskiEdge,MinkowskiVert> for MinkowskiMesh<'_>{
 	fn face_edges(&self,face_id:MinkowskiFace)->Cow<Vec<(MinkowskiEdge,MinkowskiFace)>>{
 		todo!()
 	}
-	fn edge_side_faces(&self,edge_id:MinkowskiEdge)->Cow<[MinkowskiFace;2]>{
+	fn edge_faces(&self,edge_id:MinkowskiEdge)->Cow<[MinkowskiFace;2]>{
 		todo!()
 	}
-	fn edge_ends(&self,edge_id:MinkowskiEdge)->Cow<[(MinkowskiVert,MinkowskiFace);2]>{
+	fn edge_verts(&self,edge_id:MinkowskiEdge)->Cow<[(MinkowskiVert,MinkowskiFace);2]>{
 		todo!()
 	}
 	fn vert_edges(&self,vert_id:MinkowskiVert)->Cow<Vec<(MinkowskiEdge,MinkowskiFace)>>{