The mezzanine Hotel design drawing is given in this cad file. In architecture, a mezzanine or entresol is an intermediate floor between the main floors of a building, and therefore typically not counted among the overall floors of a building. Often, a mezzanine has a low ceiling and projects in the form of a balcony. The term is also used for the lowest balcony in a theatre, or for the first few rows of seats in that balcony. the mezzanine began in 1996. download this 2d cad file now.