diff --git a/pkgs/by-name/op/openmesh/package.nix b/pkgs/by-name/op/openmesh/package.nix
new file mode 100644
index 000000000000..c391517d6044
--- /dev/null
+++ b/pkgs/by-name/op/openmesh/package.nix
@@ -0,0 +1,30 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitLab,
+  cmake,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "openmesh";
+  version = "11.0.0";
+
+  src = fetchFromGitLab {
+    domain = "gitlab.vci.rwth-aachen.de:9000";
+    owner = "OpenMesh";
+    repo = "OpenMesh";
+    rev = "OpenMesh-${lib.versions.majorMinor finalAttrs.version}";
+    fetchSubmodules = true;
+    sha256 = "sha256-1FmAieCaskKaaAWjgEXr/CWpFxrhB2Rca1sXpxLrQHw=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  meta = with lib; {
+    homepage = "https://www.graphics.rwth-aachen.de/software/openmesh/";
+    description = "Generic and efficient polygon mesh data structure";
+    maintainers = with maintainers; [ yzx9 ];
+    platforms = platforms.all;
+    license = licenses.bsd3;
+  };
+})