“In Baltic Birch ply, any resolution above 195 doesn’t give you crisper or cleaner images, so I always manually shift it down.”
… is not quite true. You see diminishing returns, but it’s not negligible. Discussed a bit here:
https://community.glowforge.com/t/practical-limits-of-lpi-in-baltic-birch/16172?source_topic_id=16620