Is it absolutely necessary to bake the clay mixture for the substrate? or can it just be set out to dry? Reason is I have A LOT of clay I'm going to need for the substrate and it would still be easier to let it set out to dry.
Is it absolutely necessary to bake the clay mixture for the substrate? or can it just be set out to dry? Reason is I have A LOT of clay I'm going to need for the substrate and it would still be easier to let it set out to dry.
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