1. A method of creating a digital painting, comprising: obtaining a metabrush comprising a plurality of constituent paint strokes; using the metabrush along a brush path to instantiate a metabrush instance, wherein the metabrush instance comprises the plurality of constituent paint strokes replicated along the brush path; and defining the metabrush in 3D space by an elementary geometry, wherein the plurality of constituent paint strokes are embedded on the elementary geometry.