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This week: Indigo painting and temperamental indigo vats

Detailed instructions for the 1-2-3 vat may be found here. Definitions Indigo. Indigo is a pigment from the leaves of the indigo plant called Indigofera tinctoria, one of the oldest dyes known to humankind. It is the only natural plant-based blue and its colorant is present in other plants, including woad (Isatis tinctoria), Japanese indigo, […]