By increasing the surface area of the grooves the farther away from the light source, either by decreasing distance between the grooves or increasing the depth of the grooves or both at the same time, a uniform spatial light distribution is achieved.
CUTCNC[CUTCNC?:cutting machine sample maker manufacturer] lighting box engraving machine control the spatial light by decreasing the distance of lines. Can make the light box[light box?:light box] at the same brightness.
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