Making a Cube in a Cube in a Cube from One Block of Metal is Impressive Watch how this guy makes a cube in a cube in a cube using only one piece of metal. Facebook Prev Article Next Article Machinery Checkout these cool gadgets... Related Posts Road Cone Placing Machine Is Safer And More Efficient Building the Steam Controller, by Valve Meet the Machinists Who Keep the New York Times Running The Dark Side of the World’s Lightest Structural Metal Bike with Car Tires These are the Mecanum wheels. They don’t require steering to turn the vehicle.