We just have some circle film positives that get shot on one of those square bar newmans (so we can use a specific mesh like a 150s, etc.) clamped into one of those little chinese presses that one of our staffers had lying around. Keep some small squeegees, etc. around it and put it right at the ink mixing station with a heat gun. It's nice to preflight overprints, colors, etc. on the specific fabrics.