diff --git a/examples/CommonInterfaces/CommonGUIHelperInterface.h b/examples/CommonInterfaces/CommonGUIHelperInterface.h
index a5121548e..24b4a301c 100644
--- a/examples/CommonInterfaces/CommonGUIHelperInterface.h
+++ b/examples/CommonInterfaces/CommonGUIHelperInterface.h
@@ -84,8 +84,8 @@ struct GUIHelperInterface
 
 	virtual void autogenerateGraphicsObjects(btDiscreteDynamicsWorld* rbWorld) =0;
 	
-	virtual void drawText3D( const char* txt, float posX, float posY, float posZ, float size)=0;
-	virtual void drawText3D( const char* txt, float position[3], float orientation[4], float color[4], float size, int optionFlag)=0;
+	virtual void drawText3D( const char* txt, float posX, float posY, float posZ, float size){}
+	virtual void drawText3D( const char* txt, float position[3], float orientation[4], float color[4], float size, int optionFlag){}
 	
 	virtual int		addUserDebugText3D( const char* txt, const double positionXYZ[3], const double orientation[4], const double	textColorRGB[3], double size, double lifeTime, int trackingVisualShapeIndex, int optionFlags){return -1;}
 	virtual int		addUserDebugLine(const double	debugLineFromXYZ[3], const double	debugLineToXYZ[3], const double	debugLineColorRGB[3], double lineWidth, double lifeTime , int trackingVisualShapeIndex){return -1;};
diff --git a/examples/SharedMemory/SharedMemoryPublic.h b/examples/SharedMemory/SharedMemoryPublic.h
index 97e462825..27a44fc8c 100644
--- a/examples/SharedMemory/SharedMemoryPublic.h
+++ b/examples/SharedMemory/SharedMemoryPublic.h
@@ -4,7 +4,7 @@
 #define SHARED_MEMORY_KEY 12347
 ///increase the SHARED_MEMORY_MAGIC_NUMBER whenever incompatible changes are made in the structures
 ///my convention is year/month/day/rev
-#define SHARED_MEMORY_MAGIC_NUMBER 201705023
+#define SHARED_MEMORY_MAGIC_NUMBER 201705025
 //#define SHARED_MEMORY_MAGIC_NUMBER 201703024
 
 enum EnumSharedMemoryClientCommand
@@ -425,7 +425,7 @@ struct b3RaycastInformation
 };
 
 
-#define VISUAL_SHAPE_MAX_PATH_LEN 128
+#define VISUAL_SHAPE_MAX_PATH_LEN 1024
 
 struct b3VisualShapeData
 {
diff --git a/examples/SimpleOpenGL3/main.cpp b/examples/SimpleOpenGL3/main.cpp
index c05f113d5..0422c96cc 100644
--- a/examples/SimpleOpenGL3/main.cpp
+++ b/examples/SimpleOpenGL3/main.cpp
@@ -97,14 +97,7 @@ int main(int argc, char* argv[])
 
 		int textureHandle = app->m_renderer->registerTexture(image, textureWidth, textureHeight);
 
-		int cubeIndex = app->registerCubeShape(1, 1, 1);
 
-		b3Vector3 pos = b3MakeVector3(0, 0, 0);
-		b3Quaternion orn(0, 0, 0, 1);
-		b3Vector4 color = b3MakeVector4(1, 0, 0,1);
-		b3Vector3 scaling = b3MakeVector3 (1, 1, 1);
-		//app->m_renderer->registerGraphicsInstance(cubeIndex, pos, orn, color, scaling);
-		app->m_renderer->writeTransforms();
 
 		do
 		{
@@ -151,7 +144,6 @@ int main(int argc, char* argv[])
 
 			float yellow[4] = {1,1,0,1};
 			app->drawText(bla, 10, 10, 1, yellow);
-			int optionFlag = 0;
 			float position[3] = {1,1,1};
 			float position2[3] = {0,0,5};
 
@@ -188,4 +180,4 @@ int main(int argc, char* argv[])
 		delete[] image;
 	}
 	return 0;
-}
\ No newline at end of file
+}