he magnification ratio is about "x6".


Each division of scale left hand is "mm"
You can see the wider and not tapered line of the roof on the top of detail.

As I mentioned, a burin's line is tapered. So I engraved the one line by two oposite directions to unify the width.

And you can see the dots-marking by needle left along the rain pipe. Here I engraved 10 lines in one mellimeter.

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