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To achieve correct line spacing when creating checkering on various surfaces such as backstraps, triggerguards, grip frames, ribs, and hammer spurs, you must follow a specific procedure. Finer cuts are ideal for creating a nice matting effect that minimizes glare and light distortion. The process resembles wood checkering, involving laying out master lines or using a .45 Checkering Guide as a reference. When creating the pattern, move the file slightly each time using the previous lines as a guide. Once the desired pattern is achieved, use a 60° needle file to finalize the depth.
