diff --git a/libsrc/stlgeom/CMakeLists.txt b/libsrc/stlgeom/CMakeLists.txt
index a78658ae..436cf3e4 100644
--- a/libsrc/stlgeom/CMakeLists.txt
+++ b/libsrc/stlgeom/CMakeLists.txt
@@ -1,6 +1,6 @@
 add_library(stl ${NG_LIB_TYPE} 
         meshstlsurface.cpp stlgeom.cpp stlgeomchart.cpp 
-        stlgeommesh.cpp stlline.cpp stltool.cpp stltopology.cpp
+        stlgeommesh.cpp stlline.cpp stltool.cpp stltopology.cpp python_stl.cpp
         )
 
 if(NOT WIN32)
diff --git a/ng/netgenpy.cpp b/ng/netgenpy.cpp
index 32d9c694..e47b1f90 100644
--- a/ng/netgenpy.cpp
+++ b/ng/netgenpy.cpp
@@ -15,6 +15,7 @@ void DLL_HEADER ExportMeshVis(py::module &m);
 void DLL_HEADER ExportCSG(py::module &m);
 void DLL_HEADER ExportCSGVis(py::module &m);
 void DLL_HEADER ExportGeom2d(py::module &m);
+void DLL_HEADER ExportSTL(py::module &m);
 
 PYBIND11_PLUGIN(libngpy)
 {
@@ -29,6 +30,8 @@ PYBIND11_PLUGIN(libngpy)
     ExportMeshVis(meshvis);
     py::module geom2d = ngpy.def_submodule("_geom2d", "pybind geom2d module");
     ExportGeom2d(geom2d);
+    py::module stl = ngpy.def_submodule("_stl", "pybind stl module");
+    ExportSTL(stl);
     return ngpy.ptr();
 }