I’ve thought about this. Though the reeds from sax, clarinets, oboe etc are a different sort of reed, not suitable for free reed instruments.
Apparently the Sheng, the original free reed instrument, used to have bamboo reeds when they were first made. 3D printing isn’t accurate enough yet for reeds, they have to be so perfect, they take a long time to make each one.
I know @david-b has thought about making reeds. Also, concertina makers sometimes make their own reeds, You could use a laser cutter to make the frames and tongues, but there’d still be a lot of finishing work.
I think you should make some!