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Does anyone here have any experience recasting parts with silicon and resin? Is there any reason why with two part molds the split usually goes horizontally across the part you are casting, like in the left pic? It has a hole in either end for a joint, so in my mind it makes more sense to cast it with the part vertical, but I never see people do that. Is there a reason for that? All I can think of is that it would leave less room for registration marks.
