An hex tile system for building DnD caves, mines, dungeons and similar for 28 mm gaming. 3D print, no supports needed. Hexes have a key width of 60 mm.
You build a grid fram of interlocking sections and then it is fast, easy and stable to place the tiles on top. The grid locks together so you can lift the grid (but not if to big if tiles are on it).
Or you can use the "MegaHexes" witout connectors... [click here for more]