diff --git a/src/Commands/RmGridRowCmd.cpp b/src/Commands/RmGridRowCmd.cpp
new file mode 100644
index 0000000..0df2359
--- /dev/null
+++ b/src/Commands/RmGridRowCmd.cpp
@@ -0,0 +1,46 @@
+#include "RmGridRowCmd.h"
+
+namespace ofx {
+namespace piMapper {
+
+RmGridRowCmd::RmGridRowCmd(GridWarpSurface * s, ProjectionEditor * e){
+	_surface = s;
+	_editor = e;
+	_doNotUndo = false;
+}
+
+void RmGridRowCmd::exec(){
+	
+	if(_surface->getGridRows() > 1){
+		_vertices = _surface->getVertices();
+		_texCoords = _surface->getTexCoords();
+		_surface->setGridRows(_surface->getGridRows() - 1);
+		_editor->createJoints();
+	}else{
+		_doNotUndo = true;
+	}
+	
+}
+
+void RmGridRowCmd::undo(){
+	ofLogNotice("RmGridRowCmd", "undo");
+	
+	if(_doNotUndo){
+		return;
+	}
+	
+	_surface->setGridRows(_surface->getGridRows() + 1);
+	vector <ofVec2f> v;
+	
+	for(int i = 0; i < _vertices.size(); ++i){
+		v.push_back( ofVec2f(_vertices[i].x, _vertices[i].y) );
+	}
+	
+	_surface->setVertices(v);
+	_surface->setTexCoords(_texCoords);
+	_editor->createJoints();
+}
+
+} // namespace piMapper
+} // namespace ofx
+
diff --git a/src/Commands/RmGridRowCmd.h b/src/Commands/RmGridRowCmd.h
new file mode 100644
index 0000000..5643b04
--- /dev/null
+++ b/src/Commands/RmGridRowCmd.h
@@ -0,0 +1,31 @@
+#pragma once
+
+#include "SurfaceManager.h"
+#include "BaseCmd.h"
+#include "GridWarpSurface.h"
+#include "ProjectionEditor.h"
+
+class ofxPiMapper;
+
+namespace ofx {
+namespace piMapper {
+
+class RmGridRowCmd : public BaseUndoCmd {
+
+	public:
+		RmGridRowCmd(GridWarpSurface * s, ProjectionEditor * e);
+		void exec();
+		void undo();
+
+	private:
+		vector <ofVec3f> _vertices;
+		vector <ofVec2f> _texCoords;
+		GridWarpSurface * _surface;
+		ProjectionEditor * _editor;
+		bool _doNotUndo;
+
+};
+
+} // namespace piMapper
+} // namespace ofx
+