If the OEMs can put 3 lasers in a single build chamber and run them independently/together to speed up build times, then I think the simple worst case answer is that you can put 3 sets of printrite sensors in the chamber and add 3 separate computer modules to run the printrite software for each laser. Not the most efficient setup, but a starting point.
Over simplified, but I see the multi laser problem being easier to solve than most of the other physics and design issues of IPQA.
Based on my 37 years as a nuclear power plant design engineer/physicist.
If the OEMs can't build quality parts and certify them efficiently, then building parts faster with multiple lasers is not going to cut it.
Could end up with only single laser machines with IPQA carrying the load for high end metal parts.
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