Another option although more expensive is to buy this CNC machine mold from eBay.
It's more like The larva dig mold in the new do it mold version but more than twice the price.
https://www.ebay.com/itm/125133487544?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=18lxa_ygSxC&sssrc=2349624&ssuid=aPsD89BBSHS&var=&widget_ver=artemis&media=COPY