Imposition software for screenprinting?

[harrys]

I've recently switched from many, many years in offset/digital shops to a shop specializing in flexo and screenprinting. For step and repeat work (multiple images up on a sheet) their current workflow consists of imposing, trapping and setting overprints manually in Illustrator. In the offset world, that's all controlled by imposition/RIP software. Are there imposition programs available for screenprint workflows? Anyone have any recommendations or suggestions?