historical staircase 3D 모델

very detailed 3d model of a historical staircase; the model was taken out of a staircase of a historical house; actually the stair was surrounded by 4 walls (2 longer closed, one gable with windows and one with doors of flats; at the bottom there is a granite stair which leads actually to the court and cellar doors (not offered here) and cellar stair originally closed by walls (not shown and offered here) original model built in 3d max with archdesign materials; also offered as FBX and OBJ file with standard materials; images are rendered with iray