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Densified Wood | Precision Composite
https://www.precisioncompositeindustries.com/densified-wood
Guy on DIYaudio posted this. The company will CNC projects for you, which would greatly cut down on excess material shipping weight.
Some of the higher end loudspeaker companies use this stuff to make their cabinets. Kaiser is one of them. It is essentially phenolic impregnated hardwood plywood. The phenolic dust would require a respirator to machine. This makes the CNC service of more value.