I used a 13 x 9 cake pan for this Patrick Star Cake and I had no tools. I am sure it would have come out a little better if I could afford tools. I mixed the colors with food coloring. Cream cheese Icing works the best for me. I used Ziploc bags to draw Patrick. I had no photo, I just drew from memory. I got the shorts wrong and he’s missing eyebrows but I think I did OK.