Have you read through the tuts? The curved corners are not difficult to achieve. Try these Tuts Curved edges on a cube http://www.sketchucation.com/forums/scf/viewtopic.php?f=20&t=3631 General Tuts page http://www.sketchucation.com/forums/scf/viewtopic.php?f=18&t=8767&p=52654&hilit=Curved+Edges#p52652 I hope you find the answer you are after. Good modeling