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diff --git a/org.simantics.g3d/src/org/simantics/proconf/g3d/dnd/ShapeDropTarget.java b/org.simantics.g3d/src/org/simantics/proconf/g3d/dnd/ShapeDropTarget.java
new file mode 100644
index 00000000..507eb5a6
--- /dev/null
+++ b/org.simantics.g3d/src/org/simantics/proconf/g3d/dnd/ShapeDropTarget.java
@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * Copyright (c) 2007- VTT Technical Research Centre of Finland.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.proconf.g3d.dnd;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.DropTarget;
+import org.eclipse.swt.dnd.DropTargetEvent;
+import org.eclipse.swt.dnd.DropTargetListener;
+import org.eclipse.swt.dnd.TextTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.dnd.TransferData;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.widgets.Control;
+import org.simantics.db.Resource;
+import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;
+import org.simantics.proconf.g3d.common.StructuredResourceSelection;
+import org.simantics.proconf.ui.dnd.ResourceReferenceTransfer;
+
+public class ShapeDropTarget implements DropTargetListener{
+	ThreeDimensionalEditorBase editor;
+	List<DropListener> listeners;
+	final Control control;
+    private DropTarget target; 
+    
+	public ShapeDropTarget(ThreeDimensionalEditorBase editor) {
+		this.editor = editor;
+		listeners = new ArrayList<DropListener>();
+		this.control = editor.getRenderingComposite();
+        
+        target = new DropTarget(control, DND.DROP_LINK);
+        target.setTransfer(new Transfer[] { ResourceReferenceTransfer.getInstance() });
+        target.addDropListener(this);  
+	}
+	
+	public void addDropListener(DropListener listener) {
+		listeners.add(listener);
+	}
+	
+	public void removeDropListener(DropListener listener) {
+		listeners.remove(listener);
+	}
+	
+	@Override
+	public void dragEnter(DropTargetEvent event) {
+		event.detail = DND.DROP_LINK;
+		dragOver(event);
+	}
+	
+	public void dragOperationChanged(DropTargetEvent event) {
+    }
+	
+	public void dropAccept(DropTargetEvent event) {
+    }
+	
+	public void dragLeave(DropTargetEvent event) {
+    }
+
+	
+	@Override
+	public void dragOver(DropTargetEvent event) {
+		// FIXME : a hack to get the actual data (probably works only in Windows)
+		TransferData data = event.currentDataType;
+		if(!TextTransfer.getInstance().isSupportedType(data))
+			return;
+		Object o = TextTransfer.getInstance().nativeToJava(data);
+		
+		Point p = getLocalCoords(event);
+		editor.getInputProvider().setMouseMoved(true);
+		editor.getInputProvider().setMouseX(p.x);
+		editor.getInputProvider().setMouseY(p.y);
+		editor.run();
+		StructuredResourceSelection sel = editor.getSelectionAdapter().getHighlightSelection();
+		
+		event.data = o;
+		Resource ids[] = parseEventData(event);
+		for (DropListener l : listeners) {
+			if(l.acceptDrop(sel, ids)) {
+				event.detail = DND.DROP_LINK;
+				return;
+			}
+		}
+		event.detail = DND.DROP_NONE;		
+	}
+	
+	@Override
+	public void drop(DropTargetEvent event) {
+		StructuredResourceSelection sel = editor.getSelectionAdapter().getHighlightSelection();
+		Resource ids[] = parseEventData(event);
+		for (DropListener l : listeners) {
+			if(l.acceptDrop(sel, ids)) {
+				l.doDrop(sel, ids);
+				return;
+			}
+		}
+	}
+	
+	protected Point getLocalCoords(DropTargetEvent event) {
+		return editor.getRenderingComposite().toControl(event.x, event.y);
+	}
+	
+	public void dispose()
+    {
+        target.removeDropListener(this);
+        target = null;
+    }
+	
+	private Resource[] parseEventData(DropTargetEvent event) {
+        if (ResourceReferenceTransfer.getInstance().isSupportedType(event.currentDataType) && (event.data instanceof Resource[])) {
+            return (Resource[]) event.data;
+        }
+        return null;
+    }
+}