Isometric view of the concrete box is given in this Autocad drawing file. The length and breadth of the outer dimension is 0.7m and 0.9m respectively. The length and breadth of the inner dimension is 0.4m and 0.6m respectively. Concrete floor is given. For more details download the Autocad drawing file. Thank you for downloading the Autocad drawing file and other CAD program files from our website.