CLUSTER is a full family of extruded aluminium profile system as a recessed, surface mounted, and suspended versions, with tool free installation of various inserts based on the principle of magnetic attraction. Various optical inserts are including spot light, pendant light, linear spot light, linear opal light, wall washer asymmetric light. Different inserts are held in place by magnetic force along the entire track. When the interior environment is changed, this system allows user to relocate the different inserts flexibly, or slide them to any position by one hand movement to highlight the objects. CLUSTER trimless profile system with a seamless design offers consistent aesthetics and complete solutions for residential, hospitality, retail and commercial applications. The profiles can run across walls and ceilings, creating three dimensional continuous lines of light emphasizing the geometry of the room and maintaining a minimalist, elegant look. Surface mounted and pendant versions can be applied with the same flexible system.