diff --git a/README.md b/README.md
new file mode 100644
index 0000000..82ce88e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+
+`nix build ".#seamly2d" -L` to build seamly2d.
+`nix build ".#valentina" -L` to build valentina.
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..59f4e39
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1653893745,
+        "narHash": "sha256-0jntwV3Z8//YwuOjzhV2sgJJPt+HY6KhU7VZUL0fKZQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "1ed9fb1935d260de5fe1c2f7ee0ebaae17ed2fa1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1655255117,
+        "narHash": "sha256-Csls0+1hz2S0IFx74YiVdb53zqz+R0huJNOEQnSfh6g=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "5b9c07333237392c5ef31a9923fff929e4be7c44",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
index 94314f8..05486f4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -15,10 +15,10 @@
     let pkgs = nixpkgs.legacyPackages.${system};
     in {
 
-      packages.valentina-061 = pkgs.libsForQt512.callPackage pkgs/valentina-0.6.1.nix {};
+      packages.valentina-061 = pkgs.libsForQt512.callPackage pkgs/valentina-0.6.1.nix { };
       packages.valentina = self.packages.${system}.valentina-061;
 
-      packages.seamly2d = pkgs.libsForQt512.callPackage pkgs/seamly2d.nix {};
+      packages.seamly2d = pkgs.libsForQt512.callPackage pkgs/seamly2d-2022-06-13.nix { };
 
       # nix build
       packages.default = self.packages.${system}.valentina;
diff --git a/pkgs/seamly2d-2022-06-13.nix b/pkgs/seamly2d-2022-06-13.nix
new file mode 100644
index 0000000..4512e18
--- /dev/null
+++ b/pkgs/seamly2d-2022-06-13.nix
@@ -0,0 +1,97 @@
+{ mkDerivation
+, lib
+, fetchFromGitHub
+, pkg-config
+, libGL
+
+, qmake
+, qttools
+, qtbase
+, qtsvg
+, qtxmlpatterns
+, qt3d
+, poppler_utils
+, wrapQtAppsHook
+}:
+
+with lib;
+
+mkDerivation rec {
+  pname = "seamly2d";
+  version = "2022-06-13.0319";
+
+  src = fetchFromGitHub {
+    owner = "FashionFreedom";
+    repo = "Seamly2D";
+    rev = "v${version}";
+    sha256 = "sha256-qm8Hlt3z0jABV71Pxa6ZbNmf/ixwp74zh2HZnnMVQSY=";
+  };
+
+  #postPatch = ''
+  #  substituteInPlace common.pri \
+  #    --replace '$$[QT_INSTALL_HEADERS]/QtXmlPatterns' '${getDev qtxmlpatterns}/include/QtXmlPatterns' \
+  #    --replace '$$[QT_INSTALL_HEADERS]/QtSvg' '${getDev qtsvg}/include/QtSvg' \
+  #    --replace '$$[QT_INSTALL_HEADERS]/' '${getDev qtbase}/include/' \
+  #    --replace '$$[QT_INSTALL_HEADERS]' '${getDev qtbase}'
+  #  substituteInPlace src/app/translations.pri \
+  #    --replace '$$[QT_INSTALL_BINS]/$$LRELEASE' '${getDev qttools}/bin/lrelease'
+  #  substituteInPlace src/app/seamly2d/mainwindowsnogui.cpp \
+  #    --replace 'define PDFTOPS "pdftops"' 'define PDFTOPS "${getBin poppler_utils}/bin/pdftops"'
+  #  substituteInPlace src/app/valentina/dialogs/dialogsavelayout.h \
+  #    --replace 'define PDFTOPS "pdftops"' 'define PDFTOPS "${getBin poppler_utils}/bin/pdftops"'
+  #'';
+
+  nativeBuildInputs = [
+    pkg-config
+    qmake
+    qttools
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    poppler_utils
+    libGL
+
+    qtbase
+    qtsvg
+    qtxmlpatterns
+    qt3d
+  ];
+
+  #configurePhase = ''
+  #  qmake PREFIX=/ Seamly2D.pro -r "CONFIG += noTests noRunPath no_ccache noDebugSymbols"
+  #'';
+
+  qmakeFlags = [
+    "PREFIX=/"
+    "Seamly2D.pro"
+    "CONFIG+=noDebugSymbols"
+    "CONFIG+=no_ccache"
+    "CONFIG+=noTests"
+    "CONFIG+=noRunPath"
+  ];
+
+  installFlags = [ "INSTALL_ROOT=$(out)" ];
+
+  #postInstall = ''
+  #  mv $out/usr/share $out/
+  #  rmdir $out/usr
+  #
+  #  mkdir -p $out/share/man/man1
+  #  gzip -9c dist/debian/valentina.1 > $out/share/man/man1/valentina.1.gz
+  #  gzip -9c dist/debian/tape.1 > $out/share/man/man1/tape.1.gz
+  #
+  #  mkdir -p $out/share/mime/packages
+  #  cp dist/debian/valentina.sharedmimeinfo $out/share/mime/packages/valentina.xml
+  #'';
+
+  #enableParallelBuilding = true;
+
+  meta = {
+    description = "An open source sewing pattern drafting software";
+    homepage = "https://valentinaproject.bitbucket.io/";
+    license = licenses.gpl3;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ jfrankenau ];
+  };
+}
diff --git a/pkgs/valentina-0.6.1.nix b/pkgs/valentina-0.6.1.nix
index 8ac6c02..49da548 100644
--- a/pkgs/valentina-0.6.1.nix
+++ b/pkgs/valentina-0.6.1.nix
@@ -1,6 +1,11 @@
-{ mkDerivation, lib, fetchFromGitLab
-, qmake, qttools
-, qtbase, qtsvg, qtxmlpatterns
+{ mkDerivation
+, lib
+, fetchFromGitLab
+, qmake
+, qttools
+, qtbase
+, qtsvg
+, qtxmlpatterns
 , poppler_utils
 }: