a free standing mobile partition set is configured to either temporarily or permanently partition open floor areas to create an enclosed or semi - enclosed area that is more suitable for smaller assemblies of people for meetings , instruction , etc . the partition set comprises two panels pivotally connected to each other , a mechanical constraint between the panels to limit the minimum and maximum dihedral angles of pivotal rotation between the panels , a plurality of swivel casters on the bottom edges of said panels , jackscrews on the bottom of said panels for anchoring the partition set in a desired location and preferably one or more doors and windows in each partition set . one or more partition sets can be combined or use separately to provide practical and flexible use of a larger open floor space as short term and long term needs arise .