Can someone tell me how to make a dummy cake?

Hi! Welcome to the site. This question has been asked quite often and sometimes duplicate questions aren't answered right away.

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Funny but I came on tonight to review how to make dummy cakes too!

Welcome to CC!

Here's a link for different ways to make dummy cakes:

http://members.nuvox.net/~zt.proicer/cakepict/CAKEHINTS.htm

If you want dummy cake tiers, I would recommend purchasing cake dummies from an online store (like eBay). For carved dummies, I use scraps of Styrofoam (like the small pieces in packaging), I carve to the shape I want using a sharp knife on a covered surface. Then I wash them, apply a thin layer of icing (to make a clean surface and cover any loose pieces of foam, almost like crumb-coating a real cake). Let the icing harden and then decorate.

Once you're done you can just peel off any fondant and clean the dummy with hot water.

I was surprised at how easy it is to carve Styrofoam, and it's a great way to practice without wasting cake