The mobile phone seen opposite has been drawn in isometric projection using traditional drawing equipment such as a 30 degree set square and T-square. This means that the phone can be seen in three dimensions.

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STAGE ONE: Draw a basic cuboid to the basic size of the phone. All detail will fit inside this shape. A T-square and set square are used to draw the shape.

STAGE FOUR: Draw each key using the isometric technique. This is a difficult part of the construction of the mobile phone. All the keys should be the same size.