diff --git a/src/CGALRenderer.h b/src/CGALRenderer.h
index 1442b80e..5a5b3ac6 100644
--- a/src/CGALRenderer.h
+++ b/src/CGALRenderer.h
@@ -6,9 +6,9 @@ class CGALRenderer : public Renderer
 {
 public:
 	CGALRenderer(shared_ptr<const class Geometry> geom);
-	~CGALRenderer();
-	void draw(bool showfaces, bool showedges) const;
-	BoundingBox getBoundingBox() const;
+	virtual ~CGALRenderer();
+	virtual void draw(bool showfaces, bool showedges) const;
+	virtual BoundingBox getBoundingBox() const;
 
 public:
 	shared_ptr<class Polyhedron> polyhedron;
diff --git a/src/Camera.h b/src/Camera.h
index 63896187..dad092aa 100644
--- a/src/Camera.h
+++ b/src/Camera.h
@@ -28,7 +28,7 @@ public:
 	Camera(enum CameraType camtype = NONE);
 	void setup(std::vector<double> params);
 	void gimbalDefaultTranslate();
-	void viewAll(const BoundingBox &bbox, float scalefactor);
+	void viewAll(const BoundingBox &bbox, float scalefactor = 1.0f);
 
 	// Vectorcam
 	Eigen::Vector3d eye;
diff --git a/src/GLView.cc b/src/GLView.cc
index 92dfeee3..81a2f29a 100644
--- a/src/GLView.cc
+++ b/src/GLView.cc
@@ -3,6 +3,7 @@
 #include "stdio.h"
 #include "rendersettings.h"
 #include "mathc99.h"
+#include "renderer.h"
 
 #ifdef _WIN32
 #include <GL/wglew.h>
diff --git a/src/GLView.h b/src/GLView.h
index 52891455..83559aff 100644
--- a/src/GLView.h
+++ b/src/GLView.h
@@ -25,14 +25,14 @@ Some actions (showCrossHairs) only work properly on Gimbal Camera.
 #endif
 #include "system-gl.h"
 #include <iostream>
-#include "renderer.h"
 #include "Camera.h"
 
 class GLView
 {
 public:
 	GLView();
-	void setRenderer(Renderer* r);
+	void setRenderer(class Renderer* r);
+	Renderer *getRenderer() const { return this->renderer; }
 
 	void initializeGL();
 	void resizeGL(int w, int h);
diff --git a/src/MainWindow.h b/src/MainWindow.h
index 71eadc15..af347b1f 100644
--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -203,6 +203,7 @@ public slots:
 	void viewPerspective();
 	void viewOrthogonal();
 	void viewResetView();
+	void viewAll();
 	void hideConsole();
 	void animateUpdateDocChanged();
 	void animateUpdate();
diff --git a/src/MainWindow.ui b/src/MainWindow.ui
index cdcf6fb7..31d6d49a 100644
--- a/src/MainWindow.ui
+++ b/src/MainWindow.ui
@@ -120,7 +120,7 @@
      <x>0</x>
      <y>0</y>
      <width>936</width>
-     <height>34</height>
+     <height>22</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_File">
@@ -234,6 +234,7 @@
     <addaction name="viewActionBack"/>
     <addaction name="viewActionDiagonal"/>
     <addaction name="viewActionCenter"/>
+    <addaction name="viewActionViewAll"/>
     <addaction name="separator"/>
     <addaction name="viewActionZoomIn"/>
     <addaction name="viewActionZoomOut"/>
@@ -961,6 +962,11 @@
     <string>Ctrl+[</string>
    </property>
   </action>
+  <action name="viewActionViewAll">
+   <property name="text">
+    <string>View All</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>
diff --git a/src/OpenCSGRenderer.cc b/src/OpenCSGRenderer.cc
index c56dad13..0c1aa4e0 100644
--- a/src/OpenCSGRenderer.cc
+++ b/src/OpenCSGRenderer.cc
@@ -147,3 +147,10 @@ void OpenCSGRenderer::renderCSGChain(CSGChain *chain, GLint *shaderinfo,
 	}
 	std::for_each(primitives.begin(), primitives.end(), del_fun<OpenCSG::Primitive>());
 }
+
+BoundingBox OpenCSGRenderer::getBoundingBox() const
+{
+	BoundingBox bbox;
+	if (this->root_chain) bbox = this->root_chain->getBoundingBox();
+	return bbox;
+}
diff --git a/src/OpenCSGRenderer.h b/src/OpenCSGRenderer.h
index cca7161d..421a43e6 100644
--- a/src/OpenCSGRenderer.h
+++ b/src/OpenCSGRenderer.h
@@ -8,7 +8,8 @@ class OpenCSGRenderer : public Renderer
 public:
 	OpenCSGRenderer(class CSGChain *root_chain, CSGChain *highlights_chain, 
 									CSGChain *background_chain, GLint *shaderinfo);
-	void draw(bool showfaces, bool showedges) const;
+	virtual void draw(bool showfaces, bool showedges) const;
+	virtual BoundingBox getBoundingBox() const;
 private:
 	void renderCSGChain(class CSGChain *chain, GLint *shaderinfo, 
 											bool highlight, bool background) const;
diff --git a/src/QGLView.cc b/src/QGLView.cc
index 43bd855e..376c1ff0 100644
--- a/src/QGLView.cc
+++ b/src/QGLView.cc
@@ -88,6 +88,15 @@ void QGLView::resetView()
   cam.viewer_distance = 140;
 }
 
+void QGLView::viewAll()
+{
+	if (Renderer *r = this->getRenderer()) {
+		BoundingBox bbox = r->getBoundingBox();
+		cam.object_trans = -bbox.center();
+		cam.viewAll(r->getBoundingBox());
+	}
+}
+
 void QGLView::initializeGL()
 {
   GLenum err = glewInit();
diff --git a/src/QGLView.h b/src/QGLView.h
index e06f5a79..25d6a90d 100644
--- a/src/QGLView.h
+++ b/src/QGLView.h
@@ -44,6 +44,7 @@ public:
 #endif
 	bool save(const char *filename);
 	void resetView();
+	void viewAll();
 
 public slots:
 	void ZoomIn(void);
diff --git a/src/ThrownTogetherRenderer.cc b/src/ThrownTogetherRenderer.cc
index 84425883..d95e7afe 100644
--- a/src/ThrownTogetherRenderer.cc
+++ b/src/ThrownTogetherRenderer.cc
@@ -123,3 +123,10 @@ void ThrownTogetherRenderer::renderCSGChain(CSGChain *chain, bool highlight,
 		glPopMatrix();
 	}
 }
+
+BoundingBox ThrownTogetherRenderer::getBoundingBox() const
+{
+	BoundingBox bbox;
+	if (this->root_chain) bbox = this->root_chain->getBoundingBox();
+	return bbox;
+}
diff --git a/src/ThrownTogetherRenderer.h b/src/ThrownTogetherRenderer.h
index 7933f5b6..5db60fc8 100644
--- a/src/ThrownTogetherRenderer.h
+++ b/src/ThrownTogetherRenderer.h
@@ -7,7 +7,8 @@ class ThrownTogetherRenderer : public Renderer
 public:
 	ThrownTogetherRenderer(class CSGChain *root_chain,
 												 CSGChain *highlights_chain, CSGChain *background_chain);
-	void draw(bool showfaces, bool showedges) const;
+	virtual void draw(bool showfaces, bool showedges) const;
+	virtual BoundingBox getBoundingBox() const;
 private:
 	void renderCSGChain(CSGChain *chain, bool highlight, bool background, bool showedges, 
 											bool fberror) const;
diff --git a/src/export_png.cc b/src/export_png.cc
index cccc8b6d..a0b8aff6 100644
--- a/src/export_png.cc
+++ b/src/export_png.cc
@@ -68,11 +68,6 @@ void export_png_preview_common(Tree &tree, Camera &cam, std::ostream &output, Pr
 #endif
 	ThrownTogetherRenderer thrownTogetherRenderer(csgInfo.root_chain, csgInfo.highlights_chain, csgInfo.background_chain);
 
-	BoundingBox bbox;
-	if (csgInfo.root_chain) bbox = csgInfo.root_chain->getBoundingBox();
-	setupCamera(cam, bbox, 2.7);
-
-	csgInfo.glview->setCamera(cam);
 #ifdef ENABLE_OPENCSG
 	if (previewer == OPENCSG)
 		csgInfo.glview->setRenderer(&openCSGRenderer);
@@ -80,6 +75,10 @@ void export_png_preview_common(Tree &tree, Camera &cam, std::ostream &output, Pr
 #endif
 		csgInfo.glview->setRenderer(&thrownTogetherRenderer);
 #ifdef ENABLE_OPENCSG
+	BoundingBox bbox = csgInfo.glview->getRenderer()->getBoundingBox();
+	setupCamera(cam, bbox, 2.7);
+
+	csgInfo.glview->setCamera(cam);
 	OpenCSG::setContext(0);
 	OpenCSG::setOption(OpenCSG::OffscreenSetting, OpenCSG::FrameBufferObject);
 #endif
diff --git a/src/mainwin.cc b/src/mainwin.cc
index d56177fa..3f8fe223 100644
--- a/src/mainwin.cc
+++ b/src/mainwin.cc
@@ -372,6 +372,7 @@ MainWindow::MainWindow(const QString &filename)
 	connect(this->viewActionDiagonal, SIGNAL(triggered()), this, SLOT(viewAngleDiagonal()));
 	connect(this->viewActionCenter, SIGNAL(triggered()), this, SLOT(viewCenter()));
 	connect(this->viewActionResetView, SIGNAL(triggered()), this, SLOT(viewResetView()));
+	connect(this->viewActionViewAll, SIGNAL(triggered()), this, SLOT(viewAll()));
 	connect(this->viewActionPerspective, SIGNAL(triggered()), this, SLOT(viewPerspective()));
 	connect(this->viewActionOrthogonal, SIGNAL(triggered()), this, SLOT(viewOrthogonal()));
 	connect(this->viewActionHide, SIGNAL(triggered()), this, SLOT(hideConsole()));
@@ -2141,6 +2142,12 @@ void MainWindow::viewResetView()
 	this->qglview->updateGL();
 }
 
+void MainWindow::viewAll()
+{
+	this->qglview->viewAll();
+	this->qglview->updateGL();
+}
+
 void MainWindow::on_editorDock_visibilityChanged(bool visible)
 {
 	if (isClosing) {
diff --git a/src/renderer.h b/src/renderer.h
index 35b1845d..992ef347 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -13,7 +13,8 @@ class Renderer
 public:
 	virtual ~Renderer() {}
 	virtual void draw(bool showfaces, bool showedges) const = 0;
-
+	virtual BoundingBox getBoundingBox() const = 0;
+	
 #define CSGMODE_DIFFERENCE_FLAG 0x10
 	enum csgmode_e {
 		CSGMODE_NONE                  = 0x00,