Three-dimensional map pendant

This is a pendant for a 3D map. The purchased 3D map only comes with adhesive, which cannot be moved once stuck. Therefore, this pendant was designed to conveniently hang the map anywhere.The bracket is divided into front and rear parts, connected by a dovetail slot, making it easy to disassemble and assemble without damaging the map.The edge size of the 3D map is: 28mm, please check the dimensions before printing. I cannot be sure if the shape and size of the edges of different 3D maps are the