Chessboard accessory - Ruined fortress

An accessory for the chessboard, designed as the ruins of an elven fortress/castle. Primarily intended for the Witcher-themed chess set I designed (Witcher inspired chess set - Free 3D Print Model - MakerWorld), but perhaps someone will want to use this for others chesses as well.  Or for diferent games, like D&D..  The entire atrium is designed so that the chessboard (in my case printed at 44*44 cm) can rest on the edges of the battlement and be supported in the center by the created c