That's really not that big of a bit (compare it to a large
panel-raiser, for example).
12-15k could easily be handled, but you could start at something closer
to 10k and see what kind of finish you get. Depending on the wood
species and the grain, it wouldn't take that many passes, either, I'd
think--that's really not that deep a pattern. If one had a power
feeder, two would do easily. By hand, it would be easier to get a nice
finish w/ three, undoubtedly, but that would be an option imo, not
Judge by the work, though, and your comfort level. You can always
start slower/thinner and go up/deeper as you develop experience.
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