Scratch Basics

This is a cross section of the basic design of a sheet of scratchboard and the principle of scratching through the black ink to reveal the white chalk.
The technique used for scratchboard is opposite what you are probably used to using when you draw, however the tendency of most is to use the tool like a pencil and to scrape away lines that would normally be black. The result will look like a negative (as shown on the right) and that's not what you want.
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