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On sprue strecthing...
Looking through the vBench stuff, I see that stretched sprue is used as a basis to simulate welds (at least by James Tainton and presumably others). I understand the slicing and melting it with liquid glue, but how do yuo manage to get the spue stretched in a way that results in such a uniform thickness. I haven't tried it yet, since I don't have a need at the moment, but I suspect I will wind up with a piece of plastic that will go from the original sprue thickness down to the diameter of a hair without any appreciable length having a uniform thickness. What do you use as a heat source? A stove? Heat gun? Is there some secret to doing it? Do I need to sign up for sprue stretching school?
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