Modular quick-release structure, exclusive aluminum extrusion accessories and connectors, supporting DIY assembly and customized applications. The aluminum alloy Kabb system (AKB patented system) innovatively develops various functional aluminum alloy extrusion rails, with right angles, arcs, etc. at the corners. The frame thickness can be selected according to the application, and it is applied to the overall solution of interior decoration, including: ceilings, various cabinets, walls, and simple and exquisite finishing of internal and external corners. Quick hand-dismantling module / various track connectors / internal and external corner modules.