Inavinate on Instagram: "Thin sheets of black foam are made through a controlled industrial process that focuses on consistency, density, and flexibility. It begins with raw polymer materials mixed with blowing agents and additives, which are heated until they expand into a foam structure. As the material expands, countless tiny air pockets form inside, giving the foam its lightweight and cushioning properties. The foam is then passed through rollers or molds that compress and shape it into prec

How to make polymer clay charms for jewelry and keychains | Step by step tutorial