diff --git a/src/lib.rs b/src/lib.rs
index bdf00ff..71f1f57 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,16 +3,15 @@
 #[cfg(feature="benchtest")]
 extern crate test;
 
-mod access;
-mod raycast;
-mod csg;
-mod voxelize;
-mod encode;
-mod compress;
-mod generate;
+pub mod access;
+pub mod raycast;
+pub mod csg;
+pub mod voxelize;
+pub mod encode;
+pub mod compress;
+pub mod generate;
 
 
-mod tests;
 #[cfg(all(test, feature = "benchtest"))]
 mod bench;
 
@@ -30,56 +29,10 @@ use serde::{Serialize, Deserialize};
 
 pub const MAX_DAG_DEPTH : usize = 16;
 
-type Vec3 = Vector3<f32>;
-type Vec2 = Vector2<f32>;
+pub type Vec3 = Vector3<f32>;
+pub type Vec2 = Vector2<f32>;
 
-#[derive(Copy, Clone, PartialEq, Debug, Default, Serialize, Deserialize)]
-pub struct Material {
-    pub albedo : [f32; 3],
-    pub metalness : f32,
-    pub emission : [f32; 3],
-    pub roughness : f32,
-}
-
-#[derive(Debug, Clone)]
-pub struct Triangle {
-    pub points : [Vec3; 3],
-    pub uv : [Vec2; 3],
-    pub normal : Vec3,
-    pub mat    : u16,
-}
-
-impl Default for Triangle {
-    fn default() -> Self {
-        Triangle {
-            points : [Vec3::zero(); 3],
-            uv : [Vec2::zero(); 3],
-            normal : Vec3::zero(),
-            mat : 0,
-        }
-    }
-}
-
-impl Triangle {
-    fn area(&self) -> f32 {
-        // calculate the area of the triangle using heron's formula
-        let a = self.points[0].distance(self.points[1]);
-        let b = self.points[1].distance(self.points[2]);
-        let c = self.points[2].distance(self.points[0]);
-
-        let s = 0.5 * (a + b + c);
-
-        (s * (s - a) * (s - b) * (s - c)).sqrt()
-    }
-
-    fn pos_center(&self) -> Vec3 {
-        (self.points[0] + self.points[1] + self.points[2]) / 3.0
-    }
-
-    fn uv_center(&self) -> Vec2 {
-        (self.uv[0] + self.uv[1] + self.uv[2]) / 3.0
-    }
-}
+use voxelize::Triangle;
 
 // this is a redefinition of the type in the voxel.glsl shader.
 // these redefinition shenanigans are necessary because serde can't quite derive
diff --git a/src/voxelize.rs b/src/voxelize.rs
index f76066b..ecf722d 100644
--- a/src/voxelize.rs
+++ b/src/voxelize.rs
@@ -4,6 +4,54 @@ use pbr::ProgressBar;
 
 use std::path::{Path, PathBuf};
 
+#[derive(Copy, Clone, PartialEq, Debug, Default, Serialize, Deserialize)]
+pub struct Material {
+    pub albedo : [f32; 3],
+    pub metalness : f32,
+    pub emission : [f32; 3],
+    pub roughness : f32,
+}
+
+#[derive(Debug, Clone)]
+pub struct Triangle {
+    pub points : [Vec3; 3],
+    pub uv     : [Vec2; 3],
+    pub normal : Vec3,
+    pub mat    : u16,
+}
+
+impl Default for Triangle {
+    fn default() -> Self {
+        Triangle {
+            points : [Vec3::zero(); 3],
+            uv : [Vec2::zero(); 3],
+            normal : Vec3::zero(),
+            mat : 0,
+        }
+    }
+}
+
+impl Triangle {
+    fn area(&self) -> f32 {
+        // calculate the area of the triangle using heron's formula
+        let a = self.points[0].distance(self.points[1]);
+        let b = self.points[1].distance(self.points[2]);
+        let c = self.points[2].distance(self.points[0]);
+
+        let s = 0.5 * (a + b + c);
+
+        (s * (s - a) * (s - b) * (s - c)).sqrt()
+    }
+
+    fn pos_center(&self) -> Vec3 {
+        (self.points[0] + self.points[1] + self.points[2]) / 3.0
+    }
+
+    fn uv_center(&self) -> Vec2 {
+        (self.uv[0] + self.uv[1] + self.uv[2]) / 3.0
+    }
+}
+
 fn recursively_subdivide(triangle : Triangle, area_cutoff : f32, buf : &mut Vec<Triangle>) {
     if triangle.area() < area_cutoff {
         buf.push(triangle);
diff --git a/src/tests.rs b/tests/tests.rs
similarity index 99%
rename from src/tests.rs
rename to tests/tests.rs
index e35f82b..ce675eb 100644
--- a/src/tests.rs
+++ b/tests/tests.rs
@@ -1,6 +1,9 @@
-use super::*;
+use bzvx::*;
 
-use super::voxelize::*;
+use bzvx::voxelize::*;
+use bzvx::voxelize::Triangle;
+
+use cgmath::InnerSpace;
 
 use pbr::ProgressBar;