diff --git a/flake.lock b/flake.lock
index 7e58efd..c7e6efb 100644
--- a/flake.lock
+++ b/flake.lock
@@ -62,7 +62,7 @@
     "secrets": {
       "flake": false,
       "locked": {
-        "narHash": "sha256-GsEG/ZN4MRC7j2EkXlDD5bnYTpEW26D3P/Lgz/XWV78=",
+        "narHash": "sha256-MW7SCJb32fcfIagCbaTaRbkzEmwcQ+xdGByFJZjGZ94=",
         "path": "/home/palo/dev/secrets",
         "type": "path"
       },
diff --git a/nixos/configs/sterni/packages.nix b/nixos/configs/sterni/packages.nix
index e5bc6bc..ce5873f 100644
--- a/nixos/configs/sterni/packages.nix
+++ b/nixos/configs/sterni/packages.nix
@@ -25,7 +25,7 @@ in {
     #zeal # offline documentation
     #keepassxc
     sweethome3d.application
-    polygon-art
+    pkgs.polygon-art.polygon-art
 
     # bluetooth gui
     blueberry
diff --git a/nixos/flake.lock b/nixos/flake.lock
index ffddc06..cbcdd40 100644
--- a/nixos/flake.lock
+++ b/nixos/flake.lock
@@ -214,6 +214,21 @@
         "type": "github"
       }
     },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1631561581,
+        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -270,11 +285,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1632418649,
-        "narHash": "sha256-4rZspkiQU7zbsuciRRMgoEPkAF/+FSv2jx/VIPxPVx4=",
+        "lastModified": 1632639184,
+        "narHash": "sha256-fRLxre+gPxIkjFVj17O68pyAWU1cxT20XFOiulIWzRw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "056a3c1fae30d06d14b171b9023743c21a23ec1a",
+        "rev": "fd8a7fd07da0f3fc0e27575891f45c2f88e5dd44",
         "type": "github"
       },
       "original": {
@@ -286,11 +301,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1632411313,
-        "narHash": "sha256-lekODc44lVo9/0EwGiX6LoEt2KhiPdcfNopealMJ7n4=",
+        "lastModified": 1632660378,
+        "narHash": "sha256-sjA8eQlnyDjDLyAyq3XlJmN0nqW0ftl/pb7VnMg86L0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "51bcdc4cdaac48535dabf0ad4642a66774c609ed",
+        "rev": "31ffc50c571e6683e9ecc9dbcbd4a8e9914b4497",
         "type": "github"
       },
       "original": {
@@ -412,6 +427,27 @@
         "type": "github"
       }
     },
+    "polygon-art": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1632864707,
+        "narHash": "sha256-aKYFPoMlTVovXk8fM7KZOc1HhusF/PEFEV9haBMJvuA=",
+        "ref": "master",
+        "rev": "b39c539f9e720cc144c9ad7fe0d72cd46f793dab",
+        "revCount": 22,
+        "type": "git",
+        "url": "https://git.ingolf-wagner.de/palo/polygon-art.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.ingolf-wagner.de/palo/polygon-art.git"
+      }
+    },
     "revealjs": {
       "flake": false,
       "locked": {
@@ -437,6 +473,7 @@
         "krops-lib": "krops-lib",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
+        "polygon-art": "polygon-art",
         "sops-nix": "sops-nix"
       }
     },
@@ -461,11 +498,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1632602278,
-        "narHash": "sha256-BJNUsxR+YwqCXMojsCK1gOnoxkLdJx5zqSYL1VMxws8=",
+        "lastModified": 1632832687,
+        "narHash": "sha256-y7Us3d32vJl2TRQXUDQqSmLIP+k2z1Sn4vTaKL7VE44=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "38e9270b774e50263ae1771922d7e4ff7d543aed",
+        "rev": "8c5c313b562edee5a6ec2e118256a72710cc08b2",
         "type": "github"
       },
       "original": {
diff --git a/nixos/flake.nix b/nixos/flake.nix
index e3eca72..03b5416 100644
--- a/nixos/flake.nix
+++ b/nixos/flake.nix
@@ -4,6 +4,11 @@
     sops-nix.url = "github:Mic92/sops-nix";
     nixpkgs.url = "github:nixos/nixpkgs/nixos-21.05";
     nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
+    polygon-art = {
+      #url = "path:/home/palo/dev/polygon-art";
+      url = "git+https://git.ingolf-wagner.de/palo/polygon-art.git";
+      #inputs.nixpkgs.follows = "nixpkgs";
+    };
     doom-emacs-nix = {
       url = "github:vlaci/nix-doom-emacs";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -28,7 +33,7 @@
   };
 
   outputs = { self, sops-nix, nixpkgs, home-manager, doom-emacs-nix
-    , backup-module, nixpkgs-unstable, krops-lib, cluster-module, ... }:
+    , backup-module, nixpkgs-unstable, krops-lib, cluster-module, polygon-art, ... }:
 
     let
       nixosSystem = nixpkgs.lib.nixosSystem;
@@ -50,6 +55,7 @@
             (_self: _super: {
               # we assign the overlay created before to the overlays of nixpkgs.
               unstable = nixpkgs-unstable.legacyPackages.${pkgs.system};
+              polygon-art = polygon-art.packages.${pkgs.system};
             })
           ];
         })
diff --git a/nixos/pkgs/default.nix b/nixos/pkgs/default.nix
index fd65ea4..23b5bbc 100644
--- a/nixos/pkgs/default.nix
+++ b/nixos/pkgs/default.nix
@@ -11,7 +11,7 @@ in {
   landingpage = callPackage ./landingpage { };
   light-control = callPackage ./light-control { };
   otpmenu = callPackage ./otpmenu { };
-  polygon-art = super.callPackage ./polygon-art { };
+  #polygon-art = super.callPackage ./polygon-art { };
   sononym = callPackage ./sononym { };
   sononym-crawler = callPackage ./sononym-crawler { };
   taskwarrior-hooks = callPackage ./taskwarrior-hooks { };
diff --git a/nixos/pkgs/polygon-art/default.nix b/nixos/pkgs/polygon-art/default.nix
deleted file mode 100644
index 27b0ff6..0000000
--- a/nixos/pkgs/polygon-art/default.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-{ rustPlatform, fetchgit, lib, cairo, geos, clipper, clang, pkg-config, cmake
-, openssl, llvmPackages, ... }:
-
-rustPlatform.buildRustPackage {
-
-  pname = "polygon-art";
-
-  version = "1.0.0";
-
-  # nix-prefetch-git-rendered --rev refs/heads/develop https://git.ingolf-wagner.de/palo/polygon-art.git
-  src = fetchgit {
-    url = "https://git.ingolf-wagner.de/palo/polygon-art.git";
-    rev = "dfb6e0789ec67ee649050ad3b16d8b6a6b38955d";
-    sha256 = "0iqmikvl93pazxfd120hcr0waxav7zy6px5kmdqxifrjgdbda9xx";
-  };
-
-  #cargoSha256 = "05rkn8iihj4j9k179xx7wn2a07hxks050raj6fbxmj6gdx6aj170";
-  cargoSha256 = "0sgk4hw77cxqbqzd258fz67r7fpjblkm7cqh14n5f1c43y8vgxa0";
-  verifyCargoDeps = true;
-
-  # Needed so bindgen can find libclang.so
-  LIBCLANG_PATH = "${llvmPackages.libclang.lib}/lib";
-
-  buildInputs = [ cairo geos clipper openssl ];
-
-  nativeBuildInputs =
-    [ cmake llvmPackages.clang llvmPackages.libclang pkg-config ];
-
-  meta = with lib; {
-    description = "Framework with examples to generate plotter friendly SVGs";
-    homepage = "https://git.ingolf-wagner.de/palo/polygon-art.git";
-    license = licenses.gpl3Plus;
-    maintainers = [ maintainers.mrVanDalo ];
-  };
-}
-
diff --git a/nixos/system/desktop/home-manager/xmonad.nix b/nixos/system/desktop/home-manager/xmonad.nix
index 3d8b793..1114be5 100644
--- a/nixos/system/desktop/home-manager/xmonad.nix
+++ b/nixos/system/desktop/home-manager/xmonad.nix
@@ -19,7 +19,7 @@ let
       nixStartRedshift = "${pkgs.redshift}/bin/redshift -O 6100 -g 0.9:0.9:0.9 -b 0.9"
       nixResetRedshift = "${pkgs.redshift}/bin/redshift -x"
       nixSetCursorImage = "${pkgs.xorg.xsetroot}/bin/xsetroot -cursor_name left_ptr"
-      nixSetBackground = "${pkgs.polygon-art}/bin/rings --height ${
+      nixSetBackground = "${pkgs.polygon-art.polygon-art}/bin/rings --height ${
         toString height
       } --width ${
         toString width