| 摘要 |
A do-it-yourself relief board is a transparent plastic relief board, on which is concaved with all kinds of shrinkage pools of patterns or texts, and projected parts on a surface of which are printed with a dark color, allowing the shrinkage pools of the relief board to be light permeable. A piece of relief paper is put on the relief board, and faces toward a light zone, then all kinds of relief patterns can be engraved on the shrinkage pools with a relief pen.
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