The first step into creating a good replica is, of course, having a well-detailed original to use as a “positive mould”. The next step, creating the rubber mould, or “negative” is probably the next most important, since the quality of this “negative” determines what comes out when you cast another positive made out of resin. I’ve made a couple of rubber moulds of this particular crysknife but I’m trying to improve the quality of the outcome and also the process of casting.
Here you’ll see that rather than working with halves am trying out a different technique of creating a single “negative” mould–which gets rid of the seams. The tricky part here would be making sure that the “negative” is built a) flexible enough to be turned inside out when a resin positive has finished casting, and b) strong enough to withstand the process (that it wouldn’t rip when turned inside out). Will post more updates as I go along this week. The wait is nearly over; we’re almost there.