If you're wondering how to make your own miniature foam trays then look no further. I've got a tutorial to walk you through it, and they're cheap to make.
How to Make Your Own Miniature Foam Trays Easily (Tutorial
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How to Make Your Own Miniature Foam Trays Easily (Tutorial)
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How to Make Your Own Miniature Foam Trays Easily (Tutorial)
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Easy Tutorial on Making Your Own Miniature Foam Trays