He used oil, acrylic, tempera, pencil, ink, charcoal, monotype, drypoint, lithography, etching and aquatint, and painted on several materials, like posters and porcelain.
en.wikipedia.org Practical courses are given in painting, drawing, sculpture, ceramics, weaving, jewelry, photography, batik, lithography, paper making, etching, monotype printing, and silkscreen.
en.wikipedia.org He painted in a tonalist style and also produced monotypes and etchings.
en.wikipedia.org Gelatin monotype is best done with the use of medium to lightweight paper.
en.wikipedia.org She works in oil, acrylic, watercolor, pen and ink, and pencil as well as printing monotypes.
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