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Static grass is used in scale models and miniatures to create realistic-looking grass textures. It consists of small coloured fibres charged with static electricity, making them stand on end when sprinkled onto a glue-coated surface.
Static grass is usually used by applying a layer of glue on the surface, then pouring it on and tipping off the excess. It can also be applied with a shaker, also known as a puffer.
Static grass consists of man-made fibres selected for their ability to hold a static electric charge. They are usually a blend of coloured nylon, rayon, or polyester fibres that are used to more realistically replicate grass on a modeller’s layout. The fibres are usually sold by weight in 2, 4, 6, 10 and 12 millimetre lengths, although fibres can be found from as little as 0.5 mm in length.
If using an electronic applicator, the fibres are attracted to the adhesive vertically and "end-on", giving the grass-like effect the modeller requires.