diff --git a/flake.nix b/flake.nix
index 888db9c..bf6d4fe 100644
--- a/flake.nix
+++ b/flake.nix
@@ -67,6 +67,7 @@
           ./nixos/configuration.nix
           ./nixos/kde-desktop.nix
           ./nixos/cad.nix
+          ./nixos/zerotier.nix
         ];
       };
       #Work laptop, dell g15.
diff --git a/nixos/kde-desktop.nix b/nixos/kde-desktop.nix
index c92e978..7a9e52d 100644
--- a/nixos/kde-desktop.nix
+++ b/nixos/kde-desktop.nix
@@ -27,10 +27,7 @@
     pkgs.hunspell
     pkgs.hunspellDicts.en_CA
     pkgs.hunspellDicts.en_US
-    pkgs.openscad
     pkgs.inkscape
-    pkgs.blender
-    pkgs.freecad
     pkgs.gimp
     pkgs.krita
   ];
@@ -54,7 +51,7 @@
           "widget.use-xdg-desktop-portal.file-picker" = 1;
         };
         ExtensionSettings = {
-          #"*".installation_mode = "blocked"; # blocks all addons except the ones specified below
+          "*".installation_mode = "allowed";
           # uBlock Origin:
           "uBlock0@raymondhill.net" = {
             install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
diff --git a/nixos/zerotier.nix b/nixos/zerotier.nix
new file mode 100644
index 0000000..d695271
--- /dev/null
+++ b/nixos/zerotier.nix
@@ -0,0 +1,19 @@
+let
+  privateZeroTierInterfaces = [ "ztmwri5sbj" ]; # ZT NET INTERFACE 
+in {
+
+  networking.firewall.trustedInterfaces = privateZeroTierInterfaces; # TRUST VPN ONLY
+  
+  services.avahi.enable = true;
+  services.avahi.allowInterfaces = privateZeroTierInterfaces; # ONLY BROADCAST ON VPN
+  services.avahi.ipv6 = true;
+  services.avahi.publish.enable = true;
+  services.avahi.publish.userServices = true;
+  services.avahi.publish.addresses = true;
+  services.avahi.publish.domain = true;
+  services.avahi.nssmdns4 = true;
+  services.avahi.publish.workstation = true; # ADDED TO DESKTOP MACHINES
+
+  services.zerotierone.enable = true;
+  services.zerotierone.joinNetworks = [ "e04fa485ed2a4dc4" ]; # ZT NETWORK ID
+}