diff --git a/network.d2 b/network.d2
index e69de29..c9c3c6c 100644
--- a/network.d2
+++ b/network.d2
@@ -0,0 +1,26 @@
+classes: {
+  emptybox: {
+    style.opacity: 0
+    *: {
+      style: {
+        fill: transparent
+        border-radius: 8
+      }
+    }
+  }
+  switch: {
+    shape: image
+    icon: https://git.0w.tf/milka64/d2class/raw/branch/main/svg/switch.svg
+    label.near: bottom-right
+  }
+  router: {
+    shape: image
+    icon: https://git.0w.tf/milka64/d2class/raw/branch/main/svg/router.svg
+    label.near: bottom-right
+  }
+  firewall: {
+    shape: image
+    icon: https://git.0w.tf/milka64/d2class/raw/branch/main/svg/firewalld2.svg
+    label.near: bottom-left
+  }
+}