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

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

lemonie8 years ago
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