diff --git a/src/lib.rs b/src/lib.rs
index e69de29..4e7ec8f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -0,0 +1,5 @@
+use bvh::nalgebra::{Point2, Point3, Vector3};
+
+pub type Point2D = Point2<f64>;
+pub type Point = Point3<f64>;
+pub type Vector = Vector3<f64>;