... | ... | @@ -16,16 +16,17 @@ The backing mold is nothing but the positive of your sample. You need it to cast |
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You have different way to make this backing mold. The simplest is to glue something that have the same shape as your final sample in the bottom of a cup but just like in the examples below, you can also 3D print it of machine it:
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![1CounterMold_2](/uploads/e6b397cc5df24b5deeb69cb397a02bcf/1CounterMold_2.JPG)
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![2CounterMold_3](/uploads/d4fce3c40acea6200d16d8af68e0bebe/2CounterMold_3.JPG)
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![3YouNeedMold](/uploads/cc65fb7a22cfeff3e97f543e931e0a2f/3YouNeedMold.JPG)
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Making a mold of the sample
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[Mold Star silicone](https://www.smooth-on.com/product-line/mold-star/)
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[this one](https://www.smooth-on.com/products/mold-star-15-slow/) fits for most of the cases
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![3YouNeedMold](/uploads/cc65fb7a22cfeff3e97f543e931e0a2f/3YouNeedMold.JPG)
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![4MakeSilicon_1](/uploads/e1540ceb75d1f548808cf69f7afaeb68/4MakeSilicon_1.JPG)
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