diff --git a/nixos/nix-ld.nix b/nixos/nix-ld.nix
index b7bd17f..b08ca1c 100644
--- a/nixos/nix-ld.nix
+++ b/nixos/nix-ld.nix
@@ -63,5 +63,9 @@
     libjpeg8
     libpng
     # === jpegqs & jpeg2png ===
+
+    # === 3d printing ===
+    xorg.libxcb
+    # === 3d printing ===
   ];
 }