diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.gitignore b/.gitignore
index 4f3e955..3ce8dd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-/.tup
 *.otf
 *.ttf
-
+/.direnv
+/.tup
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..437511f
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,25 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1677852945,
+        "narHash": "sha256-liiVJjkBTuBTAkRW3hrI8MbPD2ImYzwUpa7kvteiKhM=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f5ffd5787786dde3a8bf648c7a1b5f78c4e01abb",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..091dc68
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,8 @@
+{
+  description = "development flake";
+  outputs = { self, nixpkgs }: {
+    devShell.x86_64-linux = with nixpkgs.legacyPackages.x86_64-linux; mkShell {
+      packages = [ fontforge bdf2sfd imagemagick tup xorg.bdftopcf ];
+    };
+  };
+}