Comment on Researchers demonstrate rapid 3D printing with liquid metalparentComments−jasonwatkinspdx2yDigital sand casting is a thing yes: https://www.youtube.com/watch?v=_ClnmiggRPUPrinting a sand mold and cores is quite a bit slower than this new MIT project through, so the OP may have a useful niche.
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Digital sand casting is a thing yes: https://www.youtube.com/watch?v=_ClnmiggRPU
Printing a sand mold and cores is quite a bit slower than this new MIT project through, so the OP may have a useful niche.