> no other materials _period_ I wonder if you could do it with horn. I'm not sure how you'd make the hollow bits of blocks. But it has the right sort of proper

> no other materials _period_ I wonder if you could do it with horn. I'm not sure how you'd make the hollow bits of blocks. But it has the right sort of properties. Relatedly, see: https://plastiquarian.com/?page_id=14337 https://plastiquarian.com/?page_id=14337