Student Nicole Stjernswärd is using plant waste to create natural powder pigments. Plant dyes are added to the machine's reservoirs and are then vaporised into dry powders. This process takes minutes and results in pigments that can be used for traditional artists' paints, inks and textiles. .uk 2.26 tonnes of pigments were used for the formulation of architectural paints. In a current work, a weathering of 16 different coating systems applied on two wood ...