"The few literate members of the horde were surprised to find their projectiles returned to them garishy painted with ribald couplets."

--Qie Zi, The Art of Seej

These are simple structures designed to keep your coins from wandering too far during a Seej match.

Combine with some corrugated cardboard to create a backstop behind your fortification.

Seej is an open-source tabletop wargame based around 3D printing. Rules for Seej are at http://www.s33j.net