diff --git a/flake.nix b/flake.nix
index 446c016..4e6764c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,8 +3,10 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-    # pyproject-nix.url = "github:pyproject-nix/pyproject.nix";
-    # pyproject-nix.inputs.nixpkgs.follows = "nixpkgs";
+    pyproject-nix = {
+      url = "github:pyproject-nix/pyproject.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     flake-utils.url = "github:numtide/flake-utils";
   };
 
@@ -13,78 +15,139 @@
     nixpkgs,
     flake-utils,
     ...
-  }:
-    flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
+  }@inputs: let 
+    system = "x86_64-linux"; 
+    pkgs = nixpkgs.legacyPackages.${system};
+    project = inputs.pyproject-nix.lib.project.loadPyproject {
+      projectRoot = ./.;
+    };
+    projectName = project.pyproject.project.name;
+    python = pkgs.python3;
 
-      pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
-      project = pyproject.project;
-      package = pkgs.python3Packages.buildPythonPackage {
-        pname = project.name;
-        inherit (project) version;
-        format = "pyproject";
-
-        src = ./.;
-
-        build-system = with pkgs.python3Packages; [
-          uv-build
-        ];
-
-        # # test dependencies
-        nativeCheckInputs = with pkgs; [
-          #   python3Packages.mypy
-          #   python3Packages.pytest
-          taplo
-        ];
-
-        # checkPhase = '''';
-
-        propagatedBuildInputs = with pkgs; [
-          python3Packages.click
-        ] ++ builtins.map (dep: pkgs.python3Packages.${dep}) project.dependencies;
+    inswapperModel = pkgs.stdenv.mkDerivation {
+      name = "inswapper";
+      src = pkgs.fetchurl {
+        url = "https://huggingface.co/thebiglaskowski/inswapper_128.onnx/resolve/main/inswapper_128.onnx";
+        hash = "sha256-5KPwjHU8ty0E4Qqg99vj3uu/OVZ9Tq1tzgjpiqSeFq8=";
       };
 
-      editablePackage = pkgs.python3.pkgs.mkPythonEditablePackage {
-        pname = project.name;
-        inherit (project) scripts version;
-        root = "$PWD";
+      unpackPhase = ''true'';
+      phases = [ 
+      # "installPhase" 
+      ];
+
+      installPhase = let dest = "$out/var/lib/${projectName}"; in /*shell*/''
+        ls -l "$src"
+        mkdir -p "${dest}" 
+        cp $src ${dest}/inswapper_128.onnx
+      '';
+    };
+
+  in {
+    devShells.${system}.default = let 
+      arg = project.renderers.withPackages { inherit python;};
+      pythonEnv = python.withPackages arg;
+    in pkgs.mkShell {
+      packages = [ pythonEnv inswapperModel];
+      shellHook = ''
+        export FOO=${inswapperModel}/var/lib/${projectName}/inswapper_128.onnx
+        echo "Binary at '$FOO'"
+      '';
+    };
+
+    packages.${system} = let 
+      attrs = project.renderers.buildPythonPackage { 
+        inherit python; 
       };
+      protestswap = (python.pkgs.buildPythonPackage ( attrs // {
+        buildInputs = [ inswapperModel ];
+      } ));
     in {
-      devShells = {
-        default = pkgs.mkShell {
-          inputsFrom = [
-            package
-          ];
-
-          buildInputs = [
-            # our package
-            editablePackage
-
-            #################
-            # VARIOUS TOOLS #
-            #################
-
-            pkgs.python3Packages.build
-            pkgs.python3Packages.ipython
-
-            ####################
-            # EDITOR/LSP TOOLS #
-            ####################
-
-            # LSP server:
-            pkgs.python3Packages.python-lsp-server
-
-            # LSP server plugins of interest:
-            pkgs.python3Packages.pylsp-mypy
-            pkgs.python3Packages.pylsp-rope
-            pkgs.python3Packages.python-lsp-ruff
-          ];
-        };
+      # inherit inswapperModel;
+      # "${projectName}" = protestswap;
+      default = pkgs.symlinkJoin {
+        name = "${projectName}";
+        paths = [inswapperModel protestswap];
       };
-
-      packages = {
-        "${project.name}" = package;
-        default = self.packages.${system}.${project.name};
-      };
-    });
+    };
+  };
 }
+
+
+    # flake-utils.lib.eachDefaultSystem (system: let
+    #   pyproject = builtins.fromTOML (builtins.readFile ./pyproject.toml);
+    #   project = pyproject.project;
+    #
+    #   package = pkgs.python3Packages.buildPythonPackage {
+    #     pname = project.name;
+    #     inherit (project) version;
+    #     format = "pyproject";
+    #
+    #     src = ./.;
+    #
+    #     build-system = with pkgs.python3Packages; [
+    #       uv-build
+    #     ];
+    #
+    #     # # test dependencies
+    #     nativeCheckInputs = with pkgs; [
+    #       #   python3Packages.mypy
+    #       #   python3Packages.pytest
+    #       taplo
+    #     ];
+    #
+    #     # checkPhase = '''';
+    #
+    #     propagatedBuildInputs = with pkgs; [
+    #       python3Packages.click
+    #       python3Packages.insightface
+    #
+    #     ] ++ builtins.map (dep: pkgs.python3Packages.${dep}) project.dependencies;
+    #   };
+    #
+    #   editablePackage = pkgs.python3.pkgs.mkPythonEditablePackage {
+    #     pname = project.name;
+    #     inherit (project) scripts version;
+    #     root = "$PWD";
+    #   };
+    # in {
+    #   devShells = {
+    #     default = pkgs.mkShell {
+    #       inputsFrom = [
+    #         package
+    #       ];
+    #
+    #       buildInputs = [
+    #         # our package
+    #         editablePackage
+    #
+    #         #################
+    #         # VARIOUS TOOLS #
+    #         #################
+    #
+    #         pkgs.python3Packages.build
+    #         pkgs.python3Packages.ipython
+    #         pkgs.python3Packages.insightface
+    #         inswapperModel
+    #
+    #         ####################
+    #         # EDITOR/LSP TOOLS #
+    #         ####################
+    #
+    #         # LSP server:
+    #         pkgs.python3Packages.python-lsp-server
+    #
+    #         # LSP server plugins of interest:
+    #         pkgs.python3Packages.pylsp-mypy
+    #         pkgs.python3Packages.pylsp-rope
+    #         pkgs.python3Packages.python-lsp-ruff
+    #       ];
+    #     };
+    #   };
+    #
+    #   packages = {
+    #     "inswapper-model" = inswapperModel;
+    #     "${project.name}" = package;
+    #     default = self.packages.${system}.${project.name};
+    #   };
+    # });
diff --git a/pyproject.toml b/pyproject.toml
index c67b0fc..78d99e8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "protestswap"
-version = "0.1.0"
+version = "0.0.1"
 license-files = ["LICEN[CS]E*"]
 description = "A minimal pyproject.toml"
 authors = [ ]