forget it since i cant figure out the software i can start a fire

forget it since i cant figure out the software i can start a fire an smelt aluminum
https://www.youtube.com/watch?v=-n0MPfZL1bo

pretty sweet, how does the sand stay in the shape and not collapse?

another thing i know works well is the GREEN foam for FLOWERS in a vase you can press the object into the foam an pour polyurethane resin in the shape then sand or file to preference i thought i was going to be able to pick up on this BOY I WAS WRONG i think i could do the printer an printing just fine but i want to make my own stuff