Английская Википедия:Coquille board
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Coquille board, also known as stipple board, is a type of drawing paper with a pebbled texture. The grain is impressed into the uncoated paper during manufacture.[1] Used with a soft lithographic crayon or carbon pencil, coquille produces a shading effect similar to hand stippling in a fraction of the time.[2] The material is especially useful for works to be reproduced in print, such as scientific illustration and cartooning.[1][3][4] However, coquille is also delicate and cannot withstand vigorous pressure from an eraser.[2]
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