diff --git a/src/build_models/testplugin.cpp b/src/build_models/testplugin.cpp
new file mode 100644
--- /dev/null
+++ b/src/build_models/testplugin.cpp
@@ -0,0 +1,66 @@
+/*
+ *
+ *  This file is part of the Virtual Leaf.
+ *
+ *  The Virtual Leaf is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  The Virtual Leaf is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with the Virtual Leaf.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Copyright 2010 Roeland Merks.
+ *
+ */
+
+#include <QObject>
+#include <QtGui>
+
+#include "simplugin.h"
+
+#include "parameter.h"
+
+#include "wallbase.h"
+#include "cellbase.h"
+#include "testplugin.h"
+
+static const std::string _module_id("$Id$");
+
+bool batch = false;
+
+// To be executed after cell division
+void TestPlugin::OnDivide(ParentInfo &parent_info, CellBase &daughter1, CellBase &daughter2) {
+	
+}
+
+void TestPlugin::SetCellColor(CellBase &c, QColor &color) { 
+
+	static QStringList colors;
+	if (colors.size()==0) {
+		colors << "red" << "green" << "blue";
+	}
+	color = colors[c.Index()%colors.size()];
+}
+
+
+
+void TestPlugin::CellHouseKeeping(CellBase &c) {
+	
+	c.EnlargeTargetArea(par->cell_expansion_rate);
+	if (c.Area() > par->rel_cell_div_threshold * c.BaseArea() ) {
+		c.Divide();
+	}
+}
+
+void TestPlugin::CelltoCellTransport(Wall *w, double *dchem_c1, double *dchem_c2) {}
+void TestPlugin::WallDynamics(Wall *w, double *dw1, double *dw2) {}
+void TestPlugin::CellDynamics(CellBase *c, double *dchem) { }
+
+
+Q_EXPORT_PLUGIN2(testplugin, TestPlugin)