I've only printed in plastic but sandstone I think the above posters are correct, there would be weight issues with the bust, like those things might just fall off even if it prints out correctly. Awesome work though. Really nice job on the form / legs especially.
Too bad, this is great work otherwise and these could be so much nicer with a realistic bust. I've had a few models printed in sandstone and I agree, those beachballs will probably give you trouble when 3d printed. Printing in plastic shouldn't be a problem but the sandstone has to be lowered into a bath of glue and…