Thanks, I was planning on using a 12×18 also, but was thinking of cutting it into 3rds so 12×6 and stacking all 3 of them and then carving back portion shorter than the front. Red the firetruck isn’t as long as a normal fire truck so that was why I was thinking making him wider….but now I am second guessing myself. :( Why did I say yes to this cake!!! lol