AQA A-LEVEL PRODUCT DESIGN (PAPER 1): THE ULTIMATE EXAM SUCCESS & TOP MARKS GUIDE AQA - A Level: Product Design - Paper 1 Layout paper Thin, translucent, smooth surface used in: sketching, technical drawings Cartridge paper Off-white, usually has a slightly textured surface used in: sketching, ink and pastel drawings Tracing paper Translucent, slightly thicker than layout paper used in: copying images when sketching Bleed-proof paper Similar to cartridge paper, has a bleed-proof layer on side so colours don't run used in: spirit-based marker rendering Treated paperPlain paper with a clear binder/dye applied to hold the image on the surface and brighten it; can come in gloss or matte used in: photographic printing Watercolour paper Came come as absorbent, smooth and hot-pressed, more textured, cold-pressed, or heavily textured rough. used in: watercolour painting Corrugated card Carton board outer layers and a corrugated middle layer to provide protection against impact used in: protective packaging, model making, food packaging Bleached card Chemically treated to brighten the card, making it good for high-quality printing used in: greetings cards, high-quality packaging Mount board Made from compressed fine cotton fibres to produce a rigid board used in: presenting artwork, modelling Duplex card Two layers of