diff --git a/Cargo.lock b/Cargo.lock
index 23b4eda..ae15851 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -264,10 +264,23 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "image",
+ "lithium-loader",
+ "slab",
  "thiserror",
  "tokio",
 ]
 
+[[package]]
+name = "lithium-loader"
+version = "0.1.0"
+dependencies = [
+ "lithium-utils",
+]
+
+[[package]]
+name = "lithium-utils"
+version = "0.1.0"
+
 [[package]]
 name = "lock_api"
 version = "0.4.11"
@@ -436,6 +449,15 @@ version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d66dc143e6b11c1eddc06d5c423cfc97062865baf299914ab64caa38182078fe"
 
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.11.2"
diff --git a/Cargo.toml b/Cargo.toml
index e8851c3..9438b0d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,10 @@ authors = ["antifallobst"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+lithium-loader = { path = "lithium-loader" }
+
 anyhow = "1.0.75"
 thiserror = "1.0.50"
 tokio = { version = "1.34.0", features = ["rt-multi-thread", "sync", "macros"] }
-image = "0.24.7"
\ No newline at end of file
+image = "0.24.7"
+slab = "0.4.9"
diff --git a/lithium-loader/Cargo.lock b/lithium-loader/Cargo.lock
index 3288c74..6e5c32a 100644
--- a/lithium-loader/Cargo.lock
+++ b/lithium-loader/Cargo.lock
@@ -5,3 +5,10 @@ version = 3
 [[package]]
 name = "lithium-loader"
 version = "0.1.0"
+dependencies = [
+ "lithium-utils",
+]
+
+[[package]]
+name = "lithium-utils"
+version = "0.1.0"
diff --git a/lithium-loader/Cargo.toml b/lithium-loader/Cargo.toml
index d01e847..6d0d3bb 100644
--- a/lithium-loader/Cargo.toml
+++ b/lithium-loader/Cargo.toml
@@ -2,7 +2,10 @@
 name = "lithium-loader"
 version = "0.1.0"
 edition = "2021"
+license = "MIT"
+authors = ["antifallobst"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+lithium-utils = { path = "../lithium-utils" }
\ No newline at end of file
diff --git a/lithium-loader/src/lib.rs b/lithium-loader/src/lib.rs
index 7d12d9a..e3f08a3 100644
--- a/lithium-loader/src/lib.rs
+++ b/lithium-loader/src/lib.rs
@@ -1,14 +1,40 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+use lithium_utils::{Vector2, Vector3, Vertex};
+
+pub struct Model {
+    name: String,
+
+    sub_models: Vec<Model>,
+    vertices: Vec<Vertex>,
+    faces: Vec<(u32, u32, u32)>,
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+impl Model {
+    pub fn test() -> Self {
+        let vertices = vec![
+            Vertex::new(
+                Vector3::new(0_f32, 0_f32, 0_f32),
+                Vector2::default(),
+                Vector3::default(),
+            ),
+            Vertex::new(
+                Vector3::new(0.5_f32, 1_f32, 0_f32),
+                Vector2::default(),
+                Vector3::default(),
+            ),
+            Vertex::new(
+                Vector3::new(1_f32, 0_f32, 0_f32),
+                Vector2::default(),
+                Vector3::default(),
+            ),
+        ];
 
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
+        let faces = vec![(0, 1, 2)];
+
+        Self {
+            name: "Test".to_string(),
+            sub_models: Vec::new(),
+            vertices,
+            faces,
+        }
     }
 }
diff --git a/lithium-utils/.gitignore b/lithium-utils/.gitignore
new file mode 100644
index 0000000..c41cc9e
--- /dev/null
+++ b/lithium-utils/.gitignore
@@ -0,0 +1 @@
+/target
\ No newline at end of file
diff --git a/lithium-utils/Cargo.lock b/lithium-utils/Cargo.lock
new file mode 100644
index 0000000..195b822
--- /dev/null
+++ b/lithium-utils/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "lithium-utils"
+version = "0.1.0"
diff --git a/lithium-utils/Cargo.toml b/lithium-utils/Cargo.toml
new file mode 100644
index 0000000..eab9e10
--- /dev/null
+++ b/lithium-utils/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "lithium-utils"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+authors = ["antifallobst"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/lithium-utils/src/lib.rs b/lithium-utils/src/lib.rs
new file mode 100644
index 0000000..9b402af
--- /dev/null
+++ b/lithium-utils/src/lib.rs
@@ -0,0 +1,54 @@
+pub struct Vector2 {
+    x: f32,
+    y: f32,
+}
+
+impl Default for Vector3 {
+    fn default() -> Self {
+        Self {
+            x: 0_f32,
+            y: 0_f32,
+            z: 0_f32,
+        }
+    }
+}
+
+impl Vector2 {
+    pub fn new(x: f32, y: f32) -> Self {
+        Self { x, y }
+    }
+}
+
+pub struct Vector3 {
+    x: f32,
+    y: f32,
+    z: f32,
+}
+
+impl Default for Vector2 {
+    fn default() -> Self {
+        Self { x: 0_f32, y: 0_f32 }
+    }
+}
+
+impl Vector3 {
+    pub fn new(x: f32, y: f32, z: f32) -> Self {
+        Self { x, y, z }
+    }
+}
+
+pub struct Vertex {
+    position: Vector3,
+    uv: Vector2,
+    normal: Vector3,
+}
+
+impl Vertex {
+    pub fn new(position: Vector3, uv: Vector2, normal: Vector3) -> Self {
+        Self {
+            position,
+            uv,
+            normal,
+        }
+    }
+}
diff --git a/src/render/coords.rs b/src/render/coords.rs
deleted file mode 100644
index cf9b55d..0000000
--- a/src/render/coords.rs
+++ /dev/null
@@ -1,11 +0,0 @@
-pub struct Coords3d {
-    x: f32,
-    y: f32,
-    z: f32,
-}
-
-impl Coords3d {
-    pub fn new(x: f32, y: f32, z: f32) -> Self {
-        Self { x, y, z }
-    }
-}
diff --git a/src/render/mod.rs b/src/render/mod.rs
index 5b7475b..2df4884 100644
--- a/src/render/mod.rs
+++ b/src/render/mod.rs
@@ -1,38 +1,25 @@
 pub mod camera;
-pub mod coords;
-mod vertex;
 
 use crate::output::Output;
 use crate::render::camera::Camera;
-use crate::render::coords::Coords3d;
-use crate::render::vertex::Vertex;
+
+use lithium_loader::Model;
 use slab::Slab;
 
 pub struct Renderer {
-    cameras: Vec<Camera>,
-    vertices: Vec<Vertex>,
-
-    vertex_id: u32,
+    cameras: Slab<Camera>,
+    models: Slab<Model>,
 }
 
 impl Renderer {
     pub fn new() -> Self {
         Self {
-            cameras: Vec::new(),
-            vertices: Vec::new(),
-            vertex_id: 0,
+            cameras: Slab::new(),
+            models: Slab::new(),
         }
     }
 
-    pub fn add_vertex(&mut self, position: Coords3d) -> u32 {
-        let id = self.vertex_id;
-        self.vertex_id = self.vertex_id + 1;
-
-        self.vertices.push(Vertex::new(id, position));
-        id
-    }
-
-    pub fn add_camera(&mut self, output: impl Output + 'static) {
-        self.cameras.push(Camera::new(output))
+    pub fn add_camera(&mut self, output: impl Output + 'static) -> usize {
+        self.cameras.insert(Camera::new(output))
     }
 }
diff --git a/src/render/vertex.rs b/src/render/vertex.rs
deleted file mode 100644
index c3e9194..0000000
--- a/src/render/vertex.rs
+++ /dev/null
@@ -1,12 +0,0 @@
-use crate::render::coords::Coords3d;
-
-pub struct Vertex {
-    id: u32,
-    position: Coords3d,
-}
-
-impl Vertex {
-    pub fn new(id: u32, position: Coords3d) -> Self {
-        Self { id, position }
-    }
-}