There are 3d-printers (and fairly cheap toolheads) that can handle ceramics, i.e. clay. Resolution isn't anywhere near as good as PLA, so in practice people oft

There are 3d-printers (and fairly cheap toolheads) that can handle ceramics, i.e. clay. Resolution isn't anywhere near as good as PLA, so in practice people often print a mold to make the mold from, but it's an option.