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Material study - rocks by MittMac rock stone moss earth marble resource tool how to tutorial instructions

100 texture studies by vesner.deviantart.com on @DeviantArt

100 texture studies by =tanathe on deviantART. An amazing artist with awesome art.

Material study by Lelek1980

Material study by This makes me think of Scientific Illustration or Study center. A table designed to help kids learn to represent realistically. Could have still lifes and other objects to recreate (질감 표현)