For my Icing Smiles cake, the little boy wants a Spiderman/Iron Man theme so I'm thinking of making buildings out of cakes. I'd like to cover them in fondant, but they'll be tallish and narrower than what I'm used to. Should I worry that the fondant will tear? I'm think the buildings will be between 5 and 10 inches tall. If you've done this before, I'd love to hear your story! Thanks!
I covered a 11" elephant with fondant and had no tearing problems, I did roll the fondant out a bit thicker than usual so I could manipulate it more.
Just make sure your cake is stable thats most important. Cut the fondant in rectangle shapes to match the sides of the cakes. You'll have to dry it out for a few days and the cake should hold up fine. You can use the brick imprints on the fondant for an extra touch.
I did a Dr who phone booth cake recently that was 13" tall. I used fondant with just a bit of tylose mixed in and cut out a rectangle measured exactly for each side of the booth, then let them dry for a bit before putting them on the cake. Then I used long strips to cover the corners. I spent a lot of quality time with my ruler on that one, haha
hth 
http://cakecentral.com/gallery/2037971
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