>
> Why bother ? I can't see any benefit in doing this - printing artwork on tracing paper on a laser
> printer and using a conventional UV exposure box will always be so much quicker and cheaper.

Two reasons, as far as I can tell: Firstly, because it's interesting.
Secondly, using a laser has the potential of higher precision, because
it eliminates the step of making a mask for the photoresist.
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