How to Make Flat Silicone Molds

Making your own silicone molds is useful because you can customize them for different cake designs.

On Wednesday I wrote about where to get the materials for mold-making. Here's the entry for reference if you missed that.

For this mold I used Amazing Mold Putty and a Peace Dollar, since they look nice and they're deep enough to make a good impression. Coins that are really thin won't necessarily be good to use because they'll be hard to get out of the mold without distorting them.

First, mix the putty in equal parts, and knead the two parts together
until you get a consistent color. Make sure that you check the work time on the putty, since different formulas have different times that they take to harden up!

I used a scale to make sure I was getting the proportions fairly equal. The instructions on the putty say that it's pretty forgiving, so if you don't have a scale you can mix it by volume, not weight.

Press the putty down on a clean, flat surface, making sure that it isn't too thin. If you make it too thin the item that you're pressing into it won't have enough silicone on the inner part to keep the mold from ripping after repeated use.

Press the coin into the putty and shape it up around the edge to get a good edge on the mold.

Leave it alone during the cure time, then remove the coin.

As long as you've let it cure according to the instructions, it should be ready to use right away. The impression on this one wasn't as distinct as I'd like it to be, but it was an old Silver Dollar, so that happens! It looked fine with some luster dust on it, and if I was going to be making a treasure chest or something along those lines it would work fine.

Next- Multiple cavity molds

 Kara Buntin owns A Cake To Remember LLC in Richmond VA, and cake supplies online at and

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