I came up with a dirt cheap option that has yielded some pretty good results.
I took my number template (attached) and secured a strip of clear packing tape (sticky side up) on top of it. Then I cut small strips of aluminum foil and progressively covered sections of the pattern. After I was done I covered the foil side of the assembly with another strip of clear packing tape.
I really wish I had a camera here because this came out really well with really crisp edges . I'll try to get pics up asap.
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