A year or two ago, I bought a box of Mountain Mahogany slices on eBay (like these:
https://www.ebay.com/itm/144015848811). These are usually intended as decoration centerpieces for weddings. This wood has nothing to do with mahogany but is a shrub native to the US southwest and Mexico. Super hard (3200 Janka), dense and slow growing. Unfortunately not available commercially as lumber.
I tried a very delicate 3d-carving with fine detail, in this case Chinese dragons as relief in a dish, about 4" diameter. Came out quite nice with a 0.25mm radius TBN at 18krpm, 80ipm and 0.1mm stepover. Only finish pass, no roughing, took about 2 hours.
I think the cut quality off the machine is excellent with minimal fuzz, easily removed with a glass fiber brush. I found it especially important, that there was no chip-out whatsoever, due to the vertical end grain.
Looked even better with a light coat of tung oil.
One thing I learned is next time to increase the dish diameter beyond the material to avoid the dish edge in the face of the wood slice.
I was warned by the seller that the green wood may split when dried quickly (confirmed with picture on the left), but I stored most pieces in a punctured freezer bag in the shop for a year to dry slowly and also left a few slices in the freezer for the same time. Both survived so far (right hand slice).
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