diff --git a/IndoorMap.pro b/IndoorMap.pro
index 0f01768..9545660 100644
--- a/IndoorMap.pro
+++ b/IndoorMap.pro
@@ -190,7 +190,8 @@ HEADERS  += MainWindow.h \
     mapview/2D/MV2DElementFloorObstacleObject.h \
     mapview/model/MMFloorObstacleObject.h \
     mapview/3D/MV3DElementFloorObstacleObject.h \
-    mapview/2D/tools/ToolNewObject.h
+    mapview/2D/tools/ToolNewObject.h \
+    mapview/2D/tools/ToolNewPillar.h
 
 
 FORMS    += MainWindow.ui
diff --git a/MainController.cpp b/MainController.cpp
index b1e68ee..9d0572e 100644
--- a/MainController.cpp
+++ b/MainController.cpp
@@ -120,10 +120,10 @@ MainController::MainController() {
 
 
 	//mapModel->load("/mnt/vm/paper/diss/data/maps/walkmodel_stairs3.xml");
-	mapModel->load("/mnt/vm/paper/diss/data/maps/walkmodel_2D_1.xml");
+	//mapModel->load("/mnt/vm/paper/diss/data/maps/walkmodel_2D_1.xml");
 
 	//mapModel->load("/mnt/vm/paper/diss/data/maps/walkmodel_stairs3.xml");
-	//mapModel->load("/mnt/vm/paper/diss/data/maps/SHL42_nm.xml");
+	mapModel->load("/mnt/vm/paper/diss/data/maps/SHL44_nm.xml");
 	//mapModel->load("/apps/paper/diss/data/maps/SHL41_nm.xml");
 
 	//mapModel->load("/mnt/sdcard/SHL41_nm.xml");
diff --git a/mapview/2D/MV2DElementFloorObstacleLine.h b/mapview/2D/MV2DElementFloorObstacleLine.h
index 2ac327e..4f596d3 100644
--- a/mapview/2D/MV2DElementFloorObstacleLine.h
+++ b/mapview/2D/MV2DElementFloorObstacleLine.h
@@ -32,8 +32,6 @@ public:
 		return MapElementHelper::getLineDistanceXY(fo->from, fo->to, p);
 	}
 
-
-
 	/** repaint me */
 	void paint(Painter& p) override {
 
@@ -58,7 +56,6 @@ public:
 		// reset the old pen
 		p.setPen(pen);
 
-
 		// available endpoints
 		if (hasFocus()) {
 
@@ -76,38 +73,8 @@ public:
 			p.drawCircle_px(fo->to, 3);
 		}
 
-
-
-
 	}
 
-//	void paintDoor(Painter& p) {
-
-//		QPen pen;
-//		pen.setColor(QColor(0.5,0.5,0.5));
-//		pen.setStyle(Qt::PenStyle::DotLine);
-//		p.setPenBrush(pen, Qt::NoBrush);
-
-
-//		// opening indicator
-//		const float open = M_PI / 4;
-//		const float len = (fo->to - fo->from).length();
-//		const float angle1 = std::atan2(fo->to.y-fo->from.y, fo->to.x-fo->from.x);
-//		const float angle2 = angle1 + open;
-//		const Point2 pOpen = Point2( std::cos(angle2) * len, std::sin(angle2) * len ) + fo->from;
-
-//		p.drawLine(fo->from, fo->to);
-//		p.drawLine(fo->from, pOpen);
-
-//		p.drawArc(fo->from, len, angle1, open);
-//		//p.drawLine(fo->to, pOpen);
-
-//		// obstacle length
-//		p.setPenBrush(Qt::black, Qt::NoBrush);
-//		p.drawLength(fo->from, fo->to, fo->from.getDistance(fo->to));
-
-//	}
-
 	void onFocus() override {
 		;
 	}
@@ -135,7 +102,6 @@ public:
 		emit v->onElementChange(this);
 	}
 
-
 };
 
 #endif // MV2DELEMENTFLOOROBSTACLELINE_H
diff --git a/mapview/2D/MapViewElementHelper.h b/mapview/2D/MapViewElementHelper.h
index f84daf0..ccb6b1e 100644
--- a/mapview/2D/MapViewElementHelper.h
+++ b/mapview/2D/MapViewElementHelper.h
@@ -77,12 +77,13 @@ public:
 		pen.setCapStyle(Qt::FlatCap);
 
 		if (focus) {pen.setColor(Qt::black);}
-		if (mat == Material::CONCRETE) {;}
-		if (mat == Material::GLASS) {pen.setStyle(Qt::PenStyle::DotLine);}
-		if (mat == Material::METAL) {pen.setColor(QColor(50, 50, 50));}
-		if (type == ObstacleType::HANDRAIL) {pen.setStyle(Qt::PenStyle::DashLine);}
-		if (type == ObstacleType::UNKNOWN) {pen.setColor(Qt::red);}
-		if (type == ObstacleType::PILLAR) {pen.setColor(Qt::red);}
+		if (mat == Material::CONCRETE)			{;}
+		if (mat == Material::GLASS)				{pen.setStyle(Qt::PenStyle::DotLine);}
+		if (mat == Material::METALLIZED_GLAS)	{pen.setStyle(Qt::PenStyle::DotLine);}
+		if (mat == Material::METAL)				{pen.setColor(QColor(50, 50, 50));}
+		if (type == ObstacleType::HANDRAIL)		{pen.setStyle(Qt::PenStyle::DashLine);}
+		if (type == ObstacleType::UNKNOWN)		{pen.setColor(Qt::red);}
+		if (type == ObstacleType::PILLAR)		{pen.setColor(Qt::red);}
 
 		return pen;
 	}
diff --git a/mapview/2D/tools/ToolNewPillar.h b/mapview/2D/tools/ToolNewPillar.h
new file mode 100644
index 0000000..185e3b0
--- /dev/null
+++ b/mapview/2D/tools/ToolNewPillar.h
@@ -0,0 +1,47 @@
+#ifndef TOOLNEWPILLAR_H
+#define TOOLNEWPILLAR_H
+
+#include "ToolNewElement.h"
+#include "../../model/MMFloorObstacles.h"
+#include "../../model/MMFloorObstacleCircle.h"
+
+class ToolNewPillar : public ToolNewElement<Floorplan::FloorObstacleCircle, MMFloorObstacleCircle> {
+
+public:
+
+	ToolNewPillar(Tools& tools, MapLayer* layer) : ToolNewElement(tools, layer) {
+		;
+	}
+
+	void becomesActive() override {
+		emit onHelpTextChange("left-click where to place a new pillar. right-click to end.");
+	}
+
+	void becomesInactive() override {
+		;
+	}
+
+	const std::string getName() const override {
+		return "new Pillar";
+	}
+
+	void moving(const Point2 mapPoint) override {
+		(void) mapPoint;
+	}
+
+	void leftMouse(const Point2 mapPoint) override {
+		const Floorplan::Material mat = Floorplan::Material::CONCRETE;	// default material
+		foEL = new Floorplan::FloorObstacleCircle(mat, mapPoint.x, mapPoint.y, 0.2);//"", Point3(mapPoint.x, mapPoint.y, 0.0), Point3(0,0,0));
+		MMFloorObstacles* obs = (MMFloorObstacles*)layer;
+		mmEL = obs->createCircle(foEL);
+	}
+
+	void rightMouse(const Point2 mapPoint) override {
+		(void) mapPoint;
+		finalizeCurrent();
+		disableMe();
+	}
+
+};
+
+#endif // TOOLNEWPILLAR_H
diff --git a/mapview/3D/MapView3D.cpp b/mapview/3D/MapView3D.cpp
index fd483b2..06268f0 100644
--- a/mapview/3D/MapView3D.cpp
+++ b/mapview/3D/MapView3D.cpp
@@ -113,12 +113,13 @@ MapView3D::MapView3D(QWidget *parent) : QOpenGLWidget(parent) {
 
 	auto format = QSurfaceFormat();
 	format.setRenderableType(QSurfaceFormat::OpenGL);
-	format.setVersion(3, 4);
+	//format.setVersion(3, 4);
+	//format.setSamples(2);
+	//format.setProfile(QSurfaceFormat::CompatibilityProfile);
+	//format.setOption(QSurfaceFormat::DebugContext);
 	format.setSamples(2);
-	format.setProfile(QSurfaceFormat::CompatibilityProfile);
-	format.setOption(QSurfaceFormat::DebugContext);
 
-    setFormat(format);
+	setFormat(format);
 
 	auto ver = format.version();
 	std::cout << "OpenGL Context Version: " << ver.first << "." << ver.second << std::endl;
diff --git a/mapview/3D/floorplan/FloorplanRendererModel.h b/mapview/3D/floorplan/FloorplanRendererModel.h
index 08e04b0..cc41f43 100644
--- a/mapview/3D/floorplan/FloorplanRendererModel.h
+++ b/mapview/3D/floorplan/FloorplanRendererModel.h
@@ -38,11 +38,14 @@ private:
 		Material(140,140,140,255),	// door (wood)
 
 		Material(128,128,128,255),	// concrete
-		Material(200,200,255,96),	// glass
+		Material(240,240,255,96),	// glass
+		Material(170,170,255,96),	// glass (metallized)
 		Material(170,120,60,255),	// wood
 		Material(200,200,200,255),	// drywall
 
-		Material(255,255,255,255),	// default
+		Material(255,255,255,255),	// object
+
+		Material(235,235,235,255),	// default
 
 	};
 
@@ -52,16 +55,19 @@ private:
 		if (o.type == Ray3D::Obstacle3D::Type::GROUND_INDOOR)									{return 1;}
 		if (o.type == Ray3D::Obstacle3D::Type::STAIR)											{return 2;}
 		if (o.type == Ray3D::Obstacle3D::Type::HANDRAIL)										{return 3;}
+		if (o.type == Ray3D::Obstacle3D::Type::OBJECT)											{return 11;}
 
 		if (o.type == Ray3D::Obstacle3D::Type::DOOR && o.mat == Floorplan::Material::GLASS)		{return 4;}
 		if (o.type == Ray3D::Obstacle3D::Type::DOOR)											{return 5;}
 
 		if (o.mat == Floorplan::Material::CONCRETE)												{return 6;}
 		if (o.mat == Floorplan::Material::GLASS)												{return 7;}
-		if (o.mat == Floorplan::Material::WOOD)													{return 8;}
-		if (o.mat == Floorplan::Material::DRYWALL)												{return 9;}
+		if (o.mat == Floorplan::Material::METALLIZED_GLAS)										{return 8;}
 
-		return 10;
+		if (o.mat == Floorplan::Material::WOOD)													{return 9;}
+		if (o.mat == Floorplan::Material::DRYWALL)												{return 10;}
+
+		return 12;
 
 	}
 
diff --git a/mapview/3D/navMesh/QNavMeshSettings.cpp b/mapview/3D/navMesh/QNavMeshSettings.cpp
index ebbabe2..243e57a 100644
--- a/mapview/3D/navMesh/QNavMeshSettings.cpp
+++ b/mapview/3D/navMesh/QNavMeshSettings.cpp
@@ -83,7 +83,7 @@ QNavMeshSettings::QNavMeshSettings(NM::NavMeshSettings* settings, QWidget* paren
 		lay->addWidget(new QLabel("min region size"), row, 0);
 		QLabel* lblMinRegionSize = new QLabel("");
 		lay->addWidget(lblMinRegionSize, row, 2);
-		QSlider* sldRegionMinSize = new QSlider(Qt::Orientation::Horizontal); sldRegionMinSize->setMinimum(400); sldRegionMinSize->setMaximum(10000);
+		QSlider* sldRegionMinSize = new QSlider(Qt::Orientation::Horizontal); sldRegionMinSize->setMinimum(400); sldRegionMinSize->setMaximum(99900);
 		connect(sldRegionMinSize, &QSlider::valueChanged, [settings, sldRegionMinSize, lblMinRegionSize] () {
 			settings->regionMinSize = sldRegionMinSize->value() / 100.0f;
 			lblMinRegionSize->setText(QString("%1 m").arg(settings->regionMinSize, 5, 'f', 2, 0));
diff --git a/mapview/model/MMFloorObstacleCircle.h b/mapview/model/MMFloorObstacleCircle.h
index 313dfb6..497cc1b 100644
--- a/mapview/model/MMFloorObstacleCircle.h
+++ b/mapview/model/MMFloorObstacleCircle.h
@@ -8,12 +8,14 @@
 #include "IHasMaterial.h"
 #include "IHasObstacleType.h"
 
+#include "IHasParams.h"
+
 #include "../2D/MV2DElementFloorObstacleCircle.h"
 
 #include <Indoor/floorplan/v2/Floorplan.h>
 
 
-class MMFloorObstacleCircle : public MapModelElement, public IHasMaterial {
+class MMFloorObstacleCircle : public MapModelElement, public IHasMaterial, public IHasParams {
 
 private:
 
@@ -41,6 +43,38 @@ public:
 		mf->obstacles.erase(std::remove(mf->obstacles.begin(), mf->obstacles.end(), c), mf->obstacles.end());
 	}
 
+	/** get the number of parameters */
+	int getNumParams() const override {
+		return 2;
+	}
+
+	/** get the description of the idx-th parameter */
+	virtual Param getParamDesc(const int idx) const override {
+		switch (idx) {
+			case 0: return Param("radius", ParamType::FLOAT);
+			case 1: return Param("height", ParamType::FLOAT);
+			default: throw Exception("out of bounds");
+		}
+	}
+
+	/** get the idx-th param's value */
+	virtual ParamValue getParamValue(const int idx) const override {
+		switch(idx) {
+			case 0: return c->radius;
+			case 1: return c->height;
+			default: throw Exception("out of bounds");
+		}
+	}
+
+	/** set the idx-th param's value */
+	virtual void setParamValue(const int idx, const ParamValue& val) override {
+		switch (idx) {
+			case 0: c->radius = val.toFloat(); break;
+			case 1: c->height = val.toFloat(); break;
+			default: throw Exception("out of bounds");
+		}
+	}
+
 };
 
 #endif // MAPMODELELEMENTFLOOROBSTACLECIRCLE_H
diff --git a/mapview/model/MMFloorObstacles.h b/mapview/model/MMFloorObstacles.h
index 14c192e..a210ac6 100644
--- a/mapview/model/MMFloorObstacles.h
+++ b/mapview/model/MMFloorObstacles.h
@@ -77,13 +77,15 @@ public:
 	}
 
 	//TODO: check
-	void createCircle(Floorplan::FloorObstacleCircle* obs) {
+	MMFloorObstacleCircle* createCircle(Floorplan::FloorObstacleCircle* obs) {
 
 		// add to underlying model
 		floor->obstacles.push_back(obs);
 
 		// add to myself as element
-		addElement(new MMFloorObstacleCircle(this, floor, obs));
+		MMFloorObstacleCircle* mm = new MMFloorObstacleCircle(this, floor, obs);
+		addElement(mm);
+		return mm;
 
 	}
 
diff --git a/params/ElementParamWidget.cpp b/params/ElementParamWidget.cpp
index c5fb866..673664b 100644
--- a/params/ElementParamWidget.cpp
+++ b/params/ElementParamWidget.cpp
@@ -25,12 +25,13 @@ QComboBox* getMaterials() {
 	QComboBox* cmbMaterial = new QComboBox();
 	for (int i = 0; i < (int)Material::_END; ++i) {
 		switch ((Material)i) {
-		case Material::CONCRETE:	cmbMaterial->addItem("Concrete", i); break;
-		case Material::UNKNOWN:		cmbMaterial->addItem("Unknown ", i); break;
-		case Material::DRYWALL:		cmbMaterial->addItem("Drywall", i); break;
-		case Material::WOOD:		cmbMaterial->addItem("Wood", i); break;
-		case Material::GLASS:		cmbMaterial->addItem("Glass", i); break;
-		case Material::METAL:       cmbMaterial->addItem("Metal", i); break;
+		case Material::CONCRETE:		cmbMaterial->addItem("Concrete", i); break;
+		case Material::UNKNOWN:			cmbMaterial->addItem("Unknown ", i); break;
+		case Material::DRYWALL:			cmbMaterial->addItem("Drywall", i); break;
+		case Material::WOOD:			cmbMaterial->addItem("Wood", i); break;
+		case Material::GLASS:			cmbMaterial->addItem("Glass", i); break;
+		case Material::METAL:			cmbMaterial->addItem("Metal", i); break;
+		case Material::METALLIZED_GLAS: cmbMaterial->addItem("Glass (metallized)", i); break;
 		case Material::_END:		throw 1;
 		}
 	}
diff --git a/params/ToolBoxWidget.cpp b/params/ToolBoxWidget.cpp
index f10ffdb..61bb300 100644
--- a/params/ToolBoxWidget.cpp
+++ b/params/ToolBoxWidget.cpp
@@ -31,6 +31,7 @@
 #include "../mapview/2D/tools/ToolNewBeacon.h"
 #include "../mapview/2D/tools/ToolNewPOI.h"
 #include "../mapview/2D/tools/ToolNewObject.h"
+#include "../mapview/2D/tools/ToolNewPillar.h"
 
 #include "../UIHelper.h"
 
@@ -188,6 +189,8 @@ void ToolBoxWidget::onMainToolChanged() {
 	btnObject->setStyleSheet( dynamic_cast<ToolNewWall*>(t) ? styleSel : styleNor );
 	btnElevator->setStyleSheet( dynamic_cast<ToolNewElevator*>(t) ? styleSel : styleNor );
 	btnStair->setStyleSheet( dynamic_cast<ToolNewStair*>(t) ? styleSel : styleNor );
+	btnPillar->setStyleSheet( dynamic_cast<ToolNewPillar*>(t) ? styleSel : styleNor );
+
 
 	btnFingerprintLocation->setStyleSheet( dynamic_cast<ToolNewFingerprint*>(t) ? styleSel : styleNor );
 	btnGTP->setStyleSheet( dynamic_cast<ToolNewGroundTruth*>(t) ? styleSel : styleNor );
@@ -268,21 +271,7 @@ void ToolBoxWidget::onNewObject() {
 }
 
 void ToolBoxWidget::onNewPillar() {
-
-	const Point2 center = view->getScaler().getCenter();
-	float s = view->getScaler().sm(50);
-
-	Floorplan::FloorObstacleCircle* pillar = new Floorplan::FloorObstacleCircle(
-		Floorplan::Material::DRYWALL,
-		Point2(center.x-s, center.y),
-		s
-	);
-
-	MMFloorObstacles* obs = (MMFloorObstacles*)curLayer;
-	obs->createCircle(pillar);
-
-	//view->getModel()->reselect();
-
+	view->getTools().setMain(new ToolNewPillar(view->getTools(), curLayer));
 }
 
 
diff --git a/res/mdl/tree1.obj b/res/mdl/tree1.obj
new file mode 100644
index 0000000..89a2860
--- /dev/null
+++ b/res/mdl/tree1.obj
@@ -0,0 +1,138 @@
+# Blender v2.79 (sub 0) OBJ File: 'tree1.blend'
+# www.blender.org
+o Cylinder_Cylinder.001
+v -0.754967 -0.000000 0.002184
+v -0.325113 -0.000000 1.512119
+v -0.233298 0.718017 0.002184
+v -0.100465 0.309201 1.512119
+v 0.610782 0.443759 0.002184
+v 0.263022 0.191096 1.512119
+v 0.610781 -0.443759 0.002184
+v 0.263022 -0.191096 1.512119
+v -0.233298 -0.718017 0.002184
+v -0.100465 -0.309201 1.512119
+v -0.238977 -0.000000 4.531989
+v -0.073848 0.227281 4.531989
+v 0.193337 0.140467 4.531989
+v 0.193337 -0.140467 4.531989
+v -0.073848 -0.227281 4.531989
+v -2.277415 0.000000 5.084848
+v -0.703760 2.165951 5.084848
+v 1.842468 1.338631 5.084848
+v 1.842468 -1.338631 5.084848
+v -0.703760 -2.165951 5.084848
+v -3.560853 0.000000 6.623765
+v -1.100364 3.386573 6.623765
+v 2.880791 2.093017 6.623765
+v 2.880791 -2.093018 6.623765
+v -1.100365 -3.386573 6.623765
+v -2.588514 0.000000 8.162680
+v -0.799895 2.461823 8.162680
+v 2.094152 1.521490 8.162680
+v 2.094152 -1.521491 8.162680
+v -0.799895 -2.461823 8.162680
+v -0.364874 0.000000 9.701597
+v -0.112752 0.347016 9.701597
+v 0.295190 0.214468 9.701597
+v 0.295190 -0.214468 9.701597
+v -0.112752 -0.347016 9.701597
+vn -0.7884 0.5728 0.2244
+vn 0.3011 0.9268 0.2244
+vn 0.9745 -0.0000 0.2244
+vn 0.3089 0.9508 0.0231
+vn 0.3011 -0.9268 0.2244
+vn -0.7884 -0.5728 0.2244
+vn -0.0000 0.0000 -1.0000
+vn -0.2572 -0.1868 -0.9481
+vn -0.8088 -0.5876 0.0231
+vn -0.8088 0.5876 0.0231
+vn 0.9997 0.0000 0.0231
+vn 0.3089 -0.9508 0.0231
+vn 0.2562 -0.7884 -0.5593
+vn 0.3179 0.0000 -0.9481
+vn -0.2571 0.1868 -0.9481
+vn 0.0982 -0.3023 -0.9481
+vn 0.0982 0.3023 -0.9481
+vn 0.2752 0.8468 0.4551
+vn 0.2562 0.7884 -0.5593
+vn -0.6706 -0.4873 -0.5593
+vn 0.8290 0.0000 -0.5593
+vn -0.6706 0.4873 -0.5593
+vn 0.2009 0.6182 0.7599
+vn -0.7204 -0.5234 0.4551
+vn 0.8904 0.0000 0.4551
+vn -0.7204 0.5234 0.4551
+vn 0.2752 -0.8468 0.4551
+vn 0.0000 0.0000 1.0000
+vn -0.5259 -0.3821 0.7599
+vn 0.6500 0.0000 0.7599
+vn -0.5259 0.3821 0.7599
+vn 0.2009 -0.6182 0.7599
+vn -0.2572 0.1868 -0.9481
+s off
+f 2//1 3//1 1//1
+f 4//2 5//2 3//2
+f 6//3 7//3 5//3
+f 4//4 13//4 6//4
+f 8//5 9//5 7//5
+f 10//6 1//6 9//6
+f 3//7 7//7 9//7
+f 15//8 16//8 11//8
+f 10//9 11//9 2//9
+f 2//10 12//10 4//10
+f 6//11 14//11 8//11
+f 8//12 15//12 10//12
+f 19//13 25//13 20//13
+f 14//14 18//14 19//14
+f 11//15 17//15 12//15
+f 14//16 20//16 15//16
+f 12//17 18//17 13//17
+f 22//18 28//18 23//18
+f 17//19 23//19 18//19
+f 20//20 21//20 16//20
+f 18//21 24//21 19//21
+f 17//22 21//22 22//22
+f 27//23 33//23 28//23
+f 21//24 30//24 26//24
+f 23//25 29//25 24//25
+f 22//26 26//26 27//26
+f 25//27 29//27 30//27
+f 31//28 34//28 33//28
+f 26//29 35//29 31//29
+f 29//30 33//30 34//30
+f 27//31 31//31 32//31
+f 30//32 34//32 35//32
+f 2//1 4//1 3//1
+f 4//2 6//2 5//2
+f 6//3 8//3 7//3
+f 4//4 12//4 13//4
+f 8//5 10//5 9//5
+f 10//6 2//6 1//6
+f 9//7 1//7 3//7
+f 3//7 5//7 7//7
+f 15//8 20//8 16//8
+f 10//9 15//9 11//9
+f 2//10 11//10 12//10
+f 6//11 13//11 14//11
+f 8//12 14//12 15//12
+f 19//13 24//13 25//13
+f 14//14 13//14 18//14
+f 11//33 16//33 17//33
+f 14//16 19//16 20//16
+f 12//17 17//17 18//17
+f 22//18 27//18 28//18
+f 17//19 22//19 23//19
+f 20//20 25//20 21//20
+f 18//21 23//21 24//21
+f 17//22 16//22 21//22
+f 27//23 32//23 33//23
+f 21//24 25//24 30//24
+f 23//25 28//25 29//25
+f 22//26 21//26 26//26
+f 25//27 24//27 29//27
+f 33//28 32//28 31//28
+f 31//28 35//28 34//28
+f 26//29 30//29 35//29
+f 29//30 28//30 33//30
+f 27//31 26//31 31//31
+f 30//32 29//32 34//32
diff --git a/res/mdl/yardBench1.obj b/res/mdl/yardBench1.obj
new file mode 100644
index 0000000..d6d1786
--- /dev/null
+++ b/res/mdl/yardBench1.obj
@@ -0,0 +1,89 @@
+# Blender v2.79 (sub 0) OBJ File: 'yardBench1.blend'
+# www.blender.org
+o Cube.001_Cube.002
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+s off
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+f 1//5 3//5 10//5
+o Cube_Cube.001
+v 2.200000 -2.200000 0.000000
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+v -2.200000 -2.200000 0.000000
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+s off
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