An A4 sized roasting tin was used to bake a simple sponge, then covered in firm icing. I printed the picture onto an A4 sheet of paper and cut it into sections ie. head, ears, body. I used these to cut the shapes out of a rolled out sheet of firm icing which was the painted with food colouring.
I had spare icing to experiment with for the many attempts to get the right shade of purple. I found a cotton bud worked better than a brush as it stopped the colour from bleeding. Very pleased with my Heffalump Birthday Cake debut.