This quad lighting gantry is supported by being bolted into a back wall. If you are looking to aim lighting back towards your exhibition wall then this is a simple solution. This structures dimensions are 4m x 1.5m x 3m high. This quad truss structure uses the standrad system 35 junctions. Truss base plates are used to fix the structure back to the wall, you will need to drill this at the appropriate point to give  ascreew or bolting point. If the floor size at your event is different please ask for a quote.