https://www.youtube.com/watch?v=a-FHY5FNsWc

12 minutes uncut. They go from printed model to working cast piece.

All new, Kaya Cast vac chamber they use is $1k, the Paragon kiln is $800, and the Electro-melt furnace is $350. Add in safety gear and incidentals and you are looking at 3-4 thousand dollars to go from a 3d print to a cast metal piece. Heck, depending on the complexity, the vac may be optional.