diff --git a/demo/gpudemo/broadphase/PairBench.cpp b/demo/gpudemo/broadphase/PairBench.cpp
index 27cb3c1df..0ab858a26 100644
--- a/demo/gpudemo/broadphase/PairBench.cpp
+++ b/demo/gpudemo/broadphase/PairBench.cpp
@@ -1,9 +1,48 @@
 #include "PairBench.h"
 #include "BulletCommon/btQuickprof.h"
+#include "OpenGLWindow/ShapeData.h"
+#include "OpenGLWindow/GLInstancingRenderer.h"
+#include "BulletCommon/btQuaternion.h"
+
+PairBench::PairBench()
+:m_instancingRenderer(0)
+{
+}
+PairBench::~PairBench()
+{
+}
+
 
 void	PairBench::initPhysics(const ConstructionInfo& ci)
 {
+	m_instancingRenderer = ci.m_instancingRenderer;
+
 	CProfileManager::CleanupMemory();
+	int strideInBytes = 9*sizeof(float);
+	int numVertices = sizeof(cube_vertices)/strideInBytes;
+	int numIndices = sizeof(cube_vertices)/sizeof(int);
+	int shapeId = ci.m_instancingRenderer->registerShape(&cube_vertices[0],numVertices,cube_indices,numIndices);
+	for (int i=0;i<ci.arraySizeX;i++)
+	{
+		for (int j=0;j<ci.arraySizeY;j++)
+		{
+			for (int k=0;k<ci.arraySizeZ;k++)
+			{
+				btVector3 position(k*3,i*3,j*3);
+				btQuaternion orn(1,0,0,0);
+				
+				btVector4 color(0,0,1,1);
+				btVector4 scaling(1,1,1,1);
+				int id = ci.m_instancingRenderer->registerGraphicsInstance(shapeId,position,orn,color,scaling);
+			}
+		}
+	}
+	
+		float camPos[4]={15.5,12.5,15.5,0};
+	m_instancingRenderer->setCameraTargetPosition(camPos);
+	m_instancingRenderer->setCameraDistance(40);
+
+	m_instancingRenderer->writeTransforms();
 }
 
 void	PairBench::exitPhysics()
@@ -14,7 +53,7 @@ void	PairBench::exitPhysics()
 
 void PairBench::renderScene()
 {
-	
+	m_instancingRenderer->RenderScene();
 }
 
 void PairBench::clientMoveAndDisplay()
diff --git a/demo/gpudemo/broadphase/PairBench.h b/demo/gpudemo/broadphase/PairBench.h
index bf688a88e..d95c464ed 100644
--- a/demo/gpudemo/broadphase/PairBench.h
+++ b/demo/gpudemo/broadphase/PairBench.h
@@ -5,8 +5,14 @@
 
 class PairBench : public GpuDemo
 {
+	
+	class GLInstancingRenderer* m_instancingRenderer;
+
 public:
 	
+	PairBench();
+	virtual ~PairBench();
+
 	virtual void	initPhysics(const ConstructionInfo& ci);
 	
 	virtual void	exitPhysics();
diff --git a/demo/gpudemo/main_opengl3core.cpp b/demo/gpudemo/main_opengl3core.cpp
index 8bf24a8d9..74538803b 100644
--- a/demo/gpudemo/main_opengl3core.cpp
+++ b/demo/gpudemo/main_opengl3core.cpp
@@ -62,8 +62,9 @@ GpuDemo::CreateFunc* allDemos[]=
 {
 	//BroadphaseBenchmark::CreateFunc,
 	//GpuBoxDemo::CreateFunc,
-		ParticleDemo::MyCreateFunc,
-	PairBench::MyCreateFunc,
+	PairBench::MyCreateFunc,	
+	ParticleDemo::MyCreateFunc,
+	
 	//SpheresDemo::CreateFunc,
 	//GpuCompoundDemo::CreateFunc,
 	//EmptyDemo::CreateFunc,