The file 'Spiral Stairs For 28mm 3D Printer Model' is (stl) file type, size is 804.8KB.
A spiral stair for DnD and miniatures.Tiles for dungeon room and Cave in Pictures are from my KickStarter https://www.kickstarter.com/projects/1522583717/3d-dungeonrooms-and-hexcaveEnjoy :)