diff --git a/Cargo.toml b/Cargo.toml
index 6c752af..fbfe478 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,5 +10,13 @@ description = "A pathtracer written in Rust"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[lib]
+name = "pathtracer"
+path = "src/lib.rs"
+
+[[bin]]
+name = "pathtracer"
+path = "src/main.rs"
+
 [dependencies]
 bvh = "0.3.2"
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..e69de29