On the job, I have models SLA'd. For prototyping, there's no reason why you'd really require the parts to be made from multiple materials. They are, after all, prototypes. When you go to mold the pieces from actual resin, you'll end up with shrinkages, sinks, and voids that the prototype isn't going to produce initially anyhow.
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On the job, I have models SLA'd. For prototyping, there's no reason why you'd really require the parts to be made from multiple materials. They are, after all, prototypes. When you go to mold the pieces from actual resin, you'll end up with shrinkages, sinks, and voids that the prototype isn't going to produce initially anyhow.