Sectional detail of building block detail 2d view CAD unit autocad file, section 1-1 detail, wall and flooring detail, floor level detail, leveling detail, door and window detail, section 2-2 detail, section 3-3 detail, RCC structure, section 4-4 detail, section 5-5 detail, landscaping trees detail, cut out detail, section 6-6 detail, etc.