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diff --git a/src/geometry/blockGeometry3D.h b/src/geometry/blockGeometry3D.h
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+/*  This file is part of the OpenLB library
+ *
+ *  Copyright (C) 2014 Mathias J. Krause
+ *  E-mail contact: info@openlb.net
+ *  The most recent release of OpenLB can be downloaded at
+ *  <http://www.openlb.net/>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public
+ *  License along with this program; if not, write to the Free
+ *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ */
+
+/** \file
+ * Representation of the 3D block geometry view -- header file.
+ */
+
+#ifndef BLOCK_GEOMETRY_3D_H
+#define BLOCK_GEOMETRY_3D_H
+
+#include <vector>
+#include <list>
+#include "core/blockData3D.h"
+#include "geometry/blockGeometryStatistics3D.h"
+#include "geometry/blockGeometryStructure3D.h"
+#include "geometry/cuboid3D.h"
+
+/// All OpenLB code is contained in this namespace.
+namespace olb {
+
+/// Representation of a block geometry
+/** This class is derived from block geometry structure. It
+ * holds the actual data with the materials. It stores pointers
+ * to all dependent block geometry views.
+ * It presents a volume of voxels where different types are
+ * given by material numbers which is important e.g. to work
+ * with different boundaries (like for inflow/output regions).
+ *
+ * This class is not intended to be derived from.
+ */
+template<typename T>
+class BlockGeometry3D final : public BlockData3D<T,int>, public BlockGeometryStructure3D<T> {
+
+private:
+  /// Cuboid which charaterizes the block geometry
+  Cuboid3D<T> _cuboid;
+  /// List to all depending statistic status objects
+  std::list<bool*> _statisticsUpdateNeeded;
+
+public:
+  /// Constructor
+  BlockGeometry3D(T x0, T y0, T z0, T h, int nX, int nY, int nZ, int iCglob=-1);
+  /// Constructor
+  BlockGeometry3D(Cuboid3D<T>& cuboid, int iCglob=-1);
+  /// Copy constructor
+  BlockGeometry3D(BlockGeometry3D const& rhs);
+  /// Copy assignment
+  BlockGeometry3D& operator=(BlockGeometry3D const& rhs);
+
+  /// Returns the underlying block structure
+  BlockStructure3D& getBlockStructure() override;
+
+  /// Write access to the associated block statistic
+  BlockGeometryStatistics3D<T>& getStatistics(bool verbose=true) override;
+  /// Read only access to the associated block statistic
+  BlockGeometryStatistics3D<T> const& getStatistics(bool verbose=true) const override;
+
+  /// Read only access to the origin position given in SI units (meter)
+  Vector<T,3> getOrigin() const override;
+  /// Read only access to the voxel size given in SI units (meter)
+  const T getDeltaR() const override;
+  /// Returns the extend (number of voxels) in X-direction
+  int getNx() const override;
+  /// Returns the extend (number of voxels) in Y-direction
+  int getNy() const override;
+  /// Returns the extend (number of voxels) in Z-direction
+  int getNz() const override;
+  /// Write access to a material number
+  int& get(int iX, int iY, int iZ) override;  // override BlockGeometryStructure3D::get() by linking to BlockData3D<T,int>::get()
+  /// Read only access to a material number
+  int const& get(int iX, int iY, int iZ) const override;  // override BlockGeometryStructure3D::get() by linking to BlockData3D<T,int>::get()
+  /// returns the (iX,iY,iZ) entry in the 3D scalar field
+  int getMaterial(int iX, int iY, int iZ) const override; // TODO old
+
+  /// Transforms lattice to physical coordinates (wrapped from cuboid geometry)
+  void getPhysR(T physR[3], const int& iX, const int& iY, const int& iZ) const override;
+
+  // returns the raw data field
+  // olb::ScalarField3D<int>* getRawData();
+  // void resize(int X, int Y, int Z, int nX, int nY, int nZ);
+  // refine Mesh
+  // void refineMesh(int level = 2);
+
+  /// Adds a pointer to the list of dependent statistic classes
+  void addToStatisticsList(bool* statisticStatus) override;
+  /// Removes a pointer from the list of dependent statistic classes if existing
+  void removeFromStatisticsList(bool* statisticStatus) override;
+
+  /// Prints a chosen part of the block geometry
+  void printLayer(int x0, int x1, int y0, int y1, int z0, int z1, bool linenumber = false);
+  /// Prints a chosen part of the block geometry
+  void printLayer(int direction, int layer, bool linenumber = false);
+  /// Prints a chosen node and its neighbourhood
+  void printNode(int x0, int y0, int z0);
+
+private:
+
+  /// Re-initialization of the block geometry
+  /*void reInit(T originX, T originY, T originZ, T deltaR, int nX, int nY, int nZ, int iCglob = -1,
+              olb::ScalarField3D<int>* geometryData = nullptr);*/
+  /// Resets all depending statistic flags
+  void resetStatistics();
+};
+
+} // namespace olb
+
+#endif