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You doing a short blade? How small are you planning to make the copper section? How much of a blade holder are you going to have? What is the total distance between the LED lens and the blade? There are a lot of missing pieces for us to give a reasonable answer. I could sit here and say sure no problem and you build it all up with a 1/2" copper section and get P.I.S.T. cause it ends up looking dim. Give some details and we might be able to unravel this mystery[]

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