1.   Piping basket-weave For this you will need both a plain writing nozzle and a basket-weave nozzle.

2.   For very simple stranded ropes, use a plain writing nozzle.

3.   For this you will need both a plain writing nozzle and a basket-weave nozzle.

4.   Then fit a piping bag with a writing nozzle and fill with royal icing of normal consistency.

5.   Put a little white royal icing in a piping bag with a writing nozzle and pipe thin lines down the front of the black radiator panel for the grille.

6.   Colour a little more royal icing black and place in the piping bag with a writing nozzle.

7.   Colour a little royal icing brown and place in a piping bag with a medium writing nozzle.