diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4fafcea..b36583f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,5 +1,7 @@
 {
     "rust-analyzer.linkedProjects": [
         "./dyesub-tool/Cargo.toml",
+        "./dyesub/Cargo.toml",
+        "./svg-units/Cargo.toml",
     ]
 }
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
index ff223b3..b8c9100 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -400,19 +400,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "669a445ee724c5c69b1b06fe0b63e70a1c84bc9bb7d9696cd4f4e3ec45050408"
 
 [[package]]
-name = "dyesub-tool"
+name = "dyesub"
 version = "0.1.0"
 dependencies = [
  "askama",
+ "derive_more",
+ "kle-serial",
+ "lazy_static",
+ "serde_json",
+ "svg-units",
+]
+
+[[package]]
+name = "dyesub-tool"
+version = "0.1.0"
+dependencies = [
  "class_list",
  "derive_more",
  "kle-serial",
  "lazy_static",
  "leptos",
- "regex",
  "serde_json",
  "strum",
  "strum_macros",
+ "svg-units",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
@@ -1776,6 +1787,17 @@ dependencies = [
  "syn 2.0.28",
 ]
 
+[[package]]
+name = "svg-units"
+version = "0.1.0"
+dependencies = [
+ "derive_more",
+ "lazy_static",
+ "regex",
+ "strum",
+ "strum_macros",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
diff --git a/Cargo.toml b/Cargo.toml
index 7cb6ede..28f5169 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,3 @@
 [workspace]
-members = ["dyesub-tool"]
+members = ["dyesub-tool", "dyesub", "svg-units"]
 resolver = "2"
\ No newline at end of file
diff --git a/dyesub-tool/Cargo.toml b/dyesub-tool/Cargo.toml
index db45730..0002f49 100644
--- a/dyesub-tool/Cargo.toml
+++ b/dyesub-tool/Cargo.toml
@@ -4,13 +4,12 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
-askama = "0.12.0"
+svg-units = { path = "../svg-units" }
 class_list = "0.1.1"
 derive_more = "0.99.17"
 kle-serial = "0.2.2"
 lazy_static = "1.4.0"
 leptos = { version = "0.4.8", features = ["csr", "nightly"] }
-regex = "1.9.3"
 serde_json = "1.0.105"
 strum = "0.25.0"
 strum_macros = "0.25.2"
diff --git a/dyesub-tool/src/main.rs b/dyesub-tool/src/main.rs
index 4f7358a..174ee5b 100644
--- a/dyesub-tool/src/main.rs
+++ b/dyesub-tool/src/main.rs
@@ -3,10 +3,6 @@
 mod components;
 mod error;
 mod models;
-#[allow(dead_code)]
-mod render;
-#[allow(dead_code)]
-pub mod svg;
 mod utils;
 
 use leptos::*;
diff --git a/dyesub/Cargo.toml b/dyesub/Cargo.toml
new file mode 100644
index 0000000..28d731b
--- /dev/null
+++ b/dyesub/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "dyesub"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+svg-units = { path = "../svg-units" }
+askama = "0.12.0"
+derive_more = "0.99.17"
+kle-serial = "0.2.2"
+lazy_static = "1.4.0"
+serde_json = "1.0.105"
diff --git a/dyesub-tool/src/render.rs b/dyesub/src/lib.rs
similarity index 95%
rename from dyesub-tool/src/render.rs
rename to dyesub/src/lib.rs
index d8c4bda..d68aef9 100644
--- a/dyesub-tool/src/render.rs
+++ b/dyesub/src/lib.rs
@@ -4,7 +4,7 @@ use askama::Template;
 use derive_more::From;
 use lazy_static::lazy_static;
 
-use crate::svg::{SVGMeasure, SVGUnit};
+use svg_units::{SVGMeasure, SVGUnit};
 
 #[derive(Template)]
 #[template(path = "document.xml")]
@@ -28,7 +28,7 @@ lazy_static! {
 }
 
 mod filters {
-    use crate::svg::{SVGMeasure, SVGUnit};
+    use svg_units::{SVGMeasure, SVGUnit};
 
     pub fn kle_font_units(kle_font_units: &usize) -> askama::Result<SVGMeasure> {
         Ok(SVGMeasure::new(
diff --git a/dyesub-tool/templates/document.xml b/dyesub/templates/document.xml
similarity index 100%
rename from dyesub-tool/templates/document.xml
rename to dyesub/templates/document.xml
diff --git a/flake.nix b/flake.nix
index e808a0d..c76bdcd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -55,7 +55,7 @@ Updating `cargoHash`:
           version = "0.1.0";
           buildAndTestSubdir = "dyesub-tool";
           buildInputs = with pkgs; [ trunk ];
-          cargoHash = "sha256-aaEDYeGIiAH1RsO7zTJKefnT8aKCbIT3ssukW25GLDY=";
+          cargoHash = "sha256-52zTjWRXq058BhuRj2A7mvWzC88UCEolodnBcfa3Ol8=";
           meta = meta // {
             description = "A tool for generating dye sublimation transfer sheet SVGs for Japanese thumb shift 拇指シフト keycaps.";
           };
diff --git a/svg-units/Cargo.toml b/svg-units/Cargo.toml
new file mode 100644
index 0000000..4189723
--- /dev/null
+++ b/svg-units/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "svg-units"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+derive_more = "0.99.17"
+lazy_static = "1.4.0"
+regex = "1.9.3"
+strum = "0.25.0"
+strum_macros = "0.25.2"
diff --git a/dyesub-tool/src/svg/mod.rs b/svg-units/src/lib.rs
similarity index 100%
rename from dyesub-tool/src/svg/mod.rs
rename to svg-units/src/lib.rs
diff --git a/dyesub-tool/src/svg/measure.rs b/svg-units/src/measure.rs
similarity index 100%
rename from dyesub-tool/src/svg/measure.rs
rename to svg-units/src/measure.rs
diff --git a/dyesub-tool/src/svg/tests.rs b/svg-units/src/tests.rs
similarity index 98%
rename from dyesub-tool/src/svg/tests.rs
rename to svg-units/src/tests.rs
index c8690b9..fbf8eb1 100644
--- a/dyesub-tool/src/svg/tests.rs
+++ b/svg-units/src/tests.rs
@@ -1,6 +1,6 @@
 use std::str::FromStr;
 
-use crate::svg::{SVGMeasure, SVGUnit};
+use crate::{SVGMeasure, SVGUnit};
 
 #[test]
 fn add() {
diff --git a/dyesub-tool/src/svg/unit.rs b/svg-units/src/unit.rs
similarity index 100%
rename from dyesub-tool/src/svg/unit.rs
rename to svg-units/src/unit.rs