from 2003-2012 martin larsen was freelance designer for the architectural design firm art andersen, specializing in innovative daylight control and dynamic elements of architecture. a recent project he participated on was the organ door installation for the refurbished royal festival hall in london by architect firm allies and morrison. the project comprises a new enclosure of 18 motorized acoustic wall panels, each 6 meters high and 500 kg in weight. when organ music is part of a performance, the entire rear wall can be opened up, thus exposing the organ. martin larsen was part of the development team and delivered a complete production drawing package, as well as he was supervising the installation of the panels on site.