The Mr.Hobby GSI-C188 Flat Base Rough is a small but handy 10ml additive for hobbyists aiming for a natural matte or low-sheen finish. It blends into paints to soften reflections and add subtle surface roughness that helps paint details read better under varied lighting.
This product is suited to scale kits and painted miniatures where you want to reduce shine without repainting. Mix into glossy paints to create flat or satin effects, and use sparingly on areas where you want to retain subtle highlights or texture.
Combine the flat base thoroughly with your paint and apply a small trial area first. Work up the flatting effect slowly to keep fine detail visible and to avoid making the finish overly dull.
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