What is Scratchboard?
Scratchboard is a black-and-white drawing medium. The board itself is a cardboard or panel with a thin coating of fine, white clay covered by a layer of india ink. The drawing surface starts completely black. One draws by scratching white lines through the ink with a sharp tool, such as a scratchboard nib held in a pen holder. The more lines one draws, the brighter the picture becomes. A scratchboard drawing, often very highly detailed, can resemble a wood engraving but is not a print medium.
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