diff --git a/flake.nix b/flake.nix
index e8768a9..a0092d2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -153,7 +153,7 @@
         ./nix/configurations.nix
         ./nix/agenix.nix
         ./nix/deploy.nix
-        ./nix/topology.nix
+        ./nix/topology
       ];
 
       perSystem = { lib, pkgs, system, ... }: {
diff --git a/nix/topology.nix b/nix/topology.nix
deleted file mode 100644
index 411b9b0..0000000
--- a/nix/topology.nix
+++ /dev/null
@@ -1,23 +0,0 @@
-{ lib, config, self, inputs, ... }:
-
-let
-  modules = [
-    {
-    }
-  ];
-in
-{
-  imports = [
-    inputs.nix-topology.flakeModule
-  ];
-
-  perSystem = {
-    topology = {
-      inherit modules;
-      nixosConfigurations = {
-        inherit (self.nixosConfigurations)
-          jeeves;
-      };
-    };
-  };
-}
diff --git a/nix/topology/default.nix b/nix/topology/default.nix
new file mode 100644
index 0000000..fee59d0
--- /dev/null
+++ b/nix/topology/default.nix
@@ -0,0 +1,159 @@
+{ lib, config, self, inputs, ... }:
+
+{
+  imports = [
+    inputs.nix-topology.flakeModule
+  ];
+
+  perSystem = { lib, pkgs, system, ... }: let
+    removebg = { image, fuzz ? 10, ... }:
+      pkgs.runCommand "${image.name}.png" {
+        buildInputs = [
+          pkgs.imagemagick
+        ];
+      } ''
+        magick ${image} \
+          -bordercolor white \
+          -border 1x1 miff:- | \
+        magick - \
+          -alpha set \
+          -channel RGBA \
+          -fuzz ${toString fuzz}% \
+          -fill none \
+          -floodfill +0+0 white \
+          -shave 1x1 \
+          $out
+      '';
+    images.TL-WR740N = removebg {
+      image = pkgs.fetchurl {
+        name = "TL-WR740N.jpg";
+        url = "https://static.tp-link.com/res/images/products/TL-WR740N_un_V6_1068_large_2_20150807163606.jpg";
+        hash = "sha256-/NpnnDh2V015lc3TGzez9eS8rINFtzVbCdN7d85NOt4=";
+      };
+      fuzz = 15;
+    };
+    images.ZBT-WR8305RT = removebg {
+      image = pkgs.fetchurl {
+        name = "ZBT-WR8305RT.jpg";
+        url = "https://vseplus.com/images/p/full/213140a.jpg";
+        hash = "sha256-ftTuXaBm99n+y+6fpRf0i63ykDx6xoJgwsQFpu2fNy4=";
+      };
+      fuzz = 2;
+    };
+    images.cheetah = removebg {
+      image = pkgs.fetchurl {
+        name = "cheetah.jpg";
+        url = "https://m.media-amazon.com/images/I/51OFxuD1GgL._AC_SL1000_.jpg";
+        hash = "sha256-Lvylh1geh81FZpqK1shj108M217zobWRgR4mEfbvKrc=";
+      };
+      fuzz = 20;
+    };
+  in {
+    topology = {
+      nixosConfigurations = {
+        inherit (self.nixosConfigurations)
+          jeeves;
+      };
+      modules = [
+        ({ config, ... }: let
+          inherit (config.lib.topology)
+          mkInternet
+          mkRouter
+          mkSwitch
+          mkConnection
+          mkConnectionRev
+          ;
+        in {
+          nodes.internet = mkInternet {
+            connections = mkConnection "router1" "eth1";
+          };
+
+          nodes.router1 = mkRouter "router1" {
+            info = "TP-Link TL-WR740N";
+            image = images.TL-WR740N;
+            interfaceGroups = [
+              ["eth1" "eth2" "eth3" "eth4"]
+              ["wan1"]
+            ];
+          };
+          networks.router1 = {
+            name = "router1";
+            cidrv4 = "192.168.0.0/24";
+            style = {
+              primaryColor = "#b87f0d";
+              secondaryColor = null;
+              # one of "solid", "dashed", "dotted"
+              pattern = "solid";
+            };
+          };
+
+          nodes.router2 = mkRouter "router2" {
+            info = "Zbtlink ZBT-WR8305RT";
+            image = images.ZBT-WR8305RT;
+            interfaceGroups = [
+              ["eth0"]
+              ["lan1" "lan2" "lan3" "lan4"]
+              ["wan"]
+            ];
+            interfaces.eth0 = {
+              addresses = ["192.168.0.101"];
+              network = "router1";
+              physicalConnections = [(mkConnectionRev "router1" "eth2")];
+            };
+          };
+          networks.router2 = {
+            name = "router2";
+            cidrv4 = "192.168.1.0/24";
+            style = {
+              primaryColor = "#0dd62e";
+              secondaryColor = null;
+              pattern = "solid";
+            };
+          };
+
+          nodes.jeeves = {
+            interfaces.eth0 = {
+              addresses = ["192.168.1.210"];
+              network = "router2";
+              physicalConnections = [(mkConnectionRev "router2" "lan3")];
+            };
+            interfaces.wan0 = {
+              icon = "interfaces.wifi";
+              addresses = ["192.168.1.123"];
+              network = "router2";
+              physicalConnections = [(mkConnectionRev "router2" "wan")];
+            };
+          };
+          networks.wg0 = {
+            name = "wg0";
+            cidrv4 = "10.100.0.0/24";
+            style = {
+              primaryColor = "#ff0000";
+              secondaryColor = null;
+              pattern = "solid";
+            };
+          };
+
+          nodes.cheetah = {
+            deviceType = "device";
+            hardware = {
+              info = "Goole Pixel 7 Pro (cheetah)";
+              image = images.cheetah;
+            };
+            interfaces.wlan0 = {
+              icon = "interfaces.wifi";
+              addresses = ["192.168.1.240"];
+              network = "router2";
+              physicalConnections = [(mkConnectionRev "router2" "wan")];
+            };
+            interfaces.jeeves = {
+              addresses = ["10.100.0.2"];
+              network = "wg0";
+              physicalConnections = [(mkConnectionRev "jeeves" "wg0")];
+            };
+          };
+        })
+      ];
+    };
+  };
+}