9 out of 10 doctors no longer recommend smoking Camels. The times, they change.
I'm glad you like the idea of mud bubbles.
They could be egg-shell thin or built like a bunker with a living roof. I have this scheme that involves lifting the wet material in an
Olds elevator (probably wind powered) to drop it into a print head/nozzle that's placed via three ropes -- manually by three crews that coordinate their movements with sea shanties.