[3d printing] Adds slicers, blender

system/hosts/altair/default.nix

@@ -10,6 +10,7 @@
     ../../features/gui.nix
     ../../features/container-dev.nix
     ../../features/android-dev.nix
+    ../../features/flatpak.nix
   ];
 
   nixpkgs.config.allowUnfree = true;

system/hosts/altair/drew.nix

@@ -18,6 +18,7 @@ in
       "/features/gaming.nix"
       "/features/linux-desktop.nix"
       "/features/notes.nix"
+      "/features/3d-printing.nix"
     ]
     ++ [
       (import ../../../home-manager/features/wallpaper.nix monitors)