diff --git a/example/src/ofApp.h b/example/src/ofApp.h
index 4d6cec9..10a9a84 100644
--- a/example/src/ofApp.h
+++ b/example/src/ofApp.h
@@ -15,6 +15,8 @@ public:
 	void mousePressed(int x, int y, int button);
 	void mouseReleased(int x, int y, int button);
 	void mouseDragged(int x, int y, int button);
+    
+    ofxTriangleSurface triangleSurface;
 };
 
 #endif
\ No newline at end of file
diff --git a/src/ofxPiMapper.cpp b/src/ofxPiMapper.cpp
deleted file mode 100644
index 5657e45..0000000
--- a/src/ofxPiMapper.cpp
+++ /dev/null
@@ -1,11 +0,0 @@
-#include "ofxPiMapper.h"
-
-ofxPiMapper::ofxPiMapper()
-{
-
-}
-
-ofxPiMapper::~ofxPiMapper()
-{
-	
-}
\ No newline at end of file
diff --git a/src/ofxPiMapper.h b/src/ofxPiMapper.h
index 4b61c05..e824ae0 100644
--- a/src/ofxPiMapper.h
+++ b/src/ofxPiMapper.h
@@ -1,13 +1,6 @@
 #ifndef H_OFX_PI_MAPPER
 #define H_OFX_PI_MAPPER
 
-#include "ofMain.h"
-
-class ofxPiMapper
-{
-public:
-	ofxPiMapper();
-	~ofxPiMapper();
-};
+#include "ofxTriangleSurface.h"
 
 #endif
\ No newline at end of file
diff --git a/src/ofxTriangleSurface.cpp b/src/ofxTriangleSurface.cpp
new file mode 100644
index 0000000..64f7eb4
--- /dev/null
+++ b/src/ofxTriangleSurface.cpp
@@ -0,0 +1,11 @@
+#include "ofxTriangleSurface.h"
+
+ofxTriangleSurface::ofxTriangleSurface()
+{
+	cout << "ofxTriangleSurface constructor." << endl;
+}
+
+ofxTriangleSurface::~ofxTriangleSurface()
+{
+	cout << "ofxTriangleSurface destructor." << endl;
+}
\ No newline at end of file
diff --git a/src/ofxTriangleSurface.h b/src/ofxTriangleSurface.h
new file mode 100644
index 0000000..19a516e
--- /dev/null
+++ b/src/ofxTriangleSurface.h
@@ -0,0 +1,13 @@
+#ifndef H_OFX_TRIANGLE_SURFACE
+#define H_OFX_TRIANGLE_SURFACE
+
+#include "ofMain.h"
+
+class ofxTriangleSurface
+{
+public:
+	ofxTriangleSurface();
+	~ofxTriangleSurface();
+};
+
+#endif
\ No newline at end of file