diff --git a/include/PolyVox/MarchingCubesSurfaceExtractor.h b/include/PolyVox/MarchingCubesSurfaceExtractor.h
index 0c7b649e..05ab9c3b 100644
--- a/include/PolyVox/MarchingCubesSurfaceExtractor.h
+++ b/include/PolyVox/MarchingCubesSurfaceExtractor.h
@@ -153,13 +153,11 @@ namespace PolyVox
 	class MarchingCubesSurfaceExtractor
 	{
 	public:
-		MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, MeshType* result, ControllerType controller);
+		MarchingCubesSurfaceExtractor();
 
-		void execute();
+		void execute(VolumeType* volData, Region region, MeshType* result, ControllerType controller);
 
 	private:
-		//Compute the cell bitmask for a particular slice in z.
-		void computeBitmaskForSlice();
 
 		////////////////////////////////////////////////////////////////////////////////
 		// NOTE: These two functions are in the .h file rather than the .inl due to an apparent bug in VC2010.
@@ -307,8 +305,8 @@ namespace PolyVox
 	template< typename VolumeType, typename MeshType, typename ControllerType = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
 	void extractMarchingCubesMeshCustom(VolumeType* volData, Region region, MeshType* result, ControllerType controller = ControllerType())
 	{
-		MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType> extractor(volData, region, result, controller);
-		extractor.execute();
+		MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType> extractor;
+		extractor.execute(volData, region, result, controller);
 	}
 
 	template< typename VolumeType, typename ControllerType = DefaultMarchingCubesController<typename VolumeType::VoxelType> >
diff --git a/include/PolyVox/MarchingCubesSurfaceExtractor.inl b/include/PolyVox/MarchingCubesSurfaceExtractor.inl
index 1d75e73f..defb2b82 100644
--- a/include/PolyVox/MarchingCubesSurfaceExtractor.inl
+++ b/include/PolyVox/MarchingCubesSurfaceExtractor.inl
@@ -26,34 +26,24 @@ freely, subject to the following restrictions:
 namespace PolyVox
 {
 	template<typename VolumeType, typename MeshType, typename ControllerType>
-	MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType>::MarchingCubesSurfaceExtractor(VolumeType* volData, Region region, MeshType* result, ControllerType controller)
-		:m_volData(volData)
-		,m_meshCurrent(result)
-		,m_regSizeInVoxels(region)
-		,m_controller(controller)
-		,m_tThreshold(m_controller.getThreshold())
-	{
-		POLYVOX_THROW_IF(m_meshCurrent == nullptr, std::invalid_argument, "Provided mesh cannot be null");
+	MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType>::MarchingCubesSurfaceExtractor()
+	{		
 	}
 
 	template<typename VolumeType, typename MeshType, typename ControllerType>
-	void MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType>::execute()
+	void MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType>::execute(VolumeType* volData, Region region, MeshType* result, ControllerType controller)
 	{		
+		POLYVOX_THROW_IF(result == nullptr, std::invalid_argument, "Provided mesh cannot be null");
+
+		m_volData = volData;
+		m_meshCurrent = result;
+		m_regSizeInVoxels = region;
+		m_controller = controller;
+		m_tThreshold = m_controller.getThreshold();
+
 		Timer timer;
 		m_meshCurrent->clear();
 
-		computeBitmaskForSlice();
-
-		m_meshCurrent->setOffset(m_regSizeInVoxels.getLowerCorner());
-
-		POLYVOX_LOG_TRACE("Marching cubes surface extraction took ", timer.elapsedTimeInMilliSeconds(),
-			"ms (Region size = ", m_regSizeInVoxels.getWidthInVoxels(), "x", m_regSizeInVoxels.getHeightInVoxels(),
-			"x", m_regSizeInVoxels.getDepthInVoxels(), ")");
-	}
-
-	template<typename VolumeType, typename MeshType, typename ControllerType>
-	void MarchingCubesSurfaceExtractor<VolumeType, MeshType, ControllerType>::computeBitmaskForSlice()
-	{
 		const uint32_t uArrayWidth = m_regSizeInVoxels.getUpperX() - m_regSizeInVoxels.getLowerX() + 2;
 		const uint32_t uArrayHeight = m_regSizeInVoxels.getUpperY() - m_regSizeInVoxels.getLowerY() + 2;
 		const uint32_t uArrayDepth = m_regSizeInVoxels.getUpperZ() - m_regSizeInVoxels.getLowerZ() + 2;
@@ -321,5 +311,11 @@ namespace PolyVox
 			} // For Y
 			startOfSlice.movePositiveZ();
 		} // For Z
-	}
+
+		m_meshCurrent->setOffset(m_regSizeInVoxels.getLowerCorner());
+
+		POLYVOX_LOG_TRACE("Marching cubes surface extraction took ", timer.elapsedTimeInMilliSeconds(),
+			"ms (Region size = ", m_regSizeInVoxels.getWidthInVoxels(), "x", m_regSizeInVoxels.getHeightInVoxels(),
+			"x", m_regSizeInVoxels.getDepthInVoxels(), ")");
+	}		
 }