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anyone know were i can find instructions on how to make a line generating laser.Id want a barcode scanner type thing Answered

its for a 3d scanner, so the more precise the better



You want a spinning mirrored-wheel, like a 2D glitter-ball but more precise, or some other variant on moving mirrors? Can't provide instructions for a project that complex though. L

Light Barrel.jpg

Well, to make a line instead of a dot, point the laser at a solid, cylindrical, glass cylinder