diff --git a/Apps/Common/SIMMultiPatchModelGen.C b/Apps/Common/SIMMultiPatchModelGen.C
new file mode 100644
index 00000000..c77c949a
--- /dev/null
+++ b/Apps/Common/SIMMultiPatchModelGen.C
@@ -0,0 +1,34 @@
+// $Id$
+//==============================================================================
+//!
+//! \file SIMMultiPatchModelGen.C
+//!
+//! \date Sep 5 2016
+//!
+//! \author Arne Morten Kvarving / SINTEF
+//!
+//! \brief Base class for simulators equipped with multi-patch model generators.
+//!
+//==============================================================================
+
+#include "SIMMultiPatchModelGen.h"
+#include "MultiPatchModelGenerator.h"
+#include "IFEM.h"
+#include "SIM2D.h"
+#include "SIM3D.h"
+
+
+template<>
+ModelGenerator* SIMMultiPatchModelGen<SIM2D>::createModelGenerator(const TiXmlElement* geo) const
+{
+  IFEM::cout <<"  Using multi-patch model generator" << std::endl;
+  return new MultiPatchModelGenerator2D(geo);
+}
+
+
+template<>
+ModelGenerator* SIMMultiPatchModelGen<SIM3D>::createModelGenerator(const TiXmlElement* geo) const
+{
+  IFEM::cout <<"  Using multi-patch model generator" << std::endl;
+  return new MultiPatchModelGenerator3D(geo);
+}
diff --git a/Apps/Common/SIMMultiPatchModelGen.h b/Apps/Common/SIMMultiPatchModelGen.h
new file mode 100644
index 00000000..98669197
--- /dev/null
+++ b/Apps/Common/SIMMultiPatchModelGen.h
@@ -0,0 +1,45 @@
+// $Id$
+//==============================================================================
+//!
+//! \file SIMMultiPatchModelGen.h
+//!
+//! \date Sep 5 2016
+//!
+//! \author Arne Morten Kvarving / SINTEF
+//!
+//! \brief Base class for simulators equipped with multi-patch model generators.
+//!
+//==============================================================================
+
+#ifndef _SIM_MULTI_PATCH_MODEL_GEN_H_
+#define _SIM_MULTI_PATCH_MODEL_GEN_H_
+
+#include "SIMbase.h"
+
+
+/*!
+  \brief Inherit this class to equip your SIM with multi-patch model generators.
+*/
+
+template<class Dim>
+class SIMMultiPatchModelGen : public Dim
+{
+public:
+  //! \brief Constructor for standard problems.
+  //! \param[in] n1 Number of fields
+  SIMMultiPatchModelGen(int n1) : Dim(n1) {}
+
+  //! \brief Constructor for mixed problems.
+  //! \param[in] unf Number of fields on bases
+  SIMMultiPatchModelGen(const SIMbase::CharVec& unf) : Dim(unf) {}
+
+  //! \brief Empty destructor.
+  virtual ~SIMMultiPatchModelGen() {}
+
+protected:
+  //! \brief Instantiate a generator for the finite element model.
+  //! \param[in] geo XML element containing geometry defintion
+  ModelGenerator* createModelGenerator(const TiXmlElement* geo) const override;
+};
+
+#endif