create a 2d technical architectural space planning drawing for a plastic surgery exhibition with exactly 20 modular stands use the uploaded floor plan as fixed base geometry color code reference orange areas indoor exhibition spaces blue area glazed patio exhibition space green area convention hall circulation space pink area staircase access from the upper level critical rule the green convention hall must remain completely empty do not place stands coffee areas furniture counters or installations inside the green zone it is used only for circulation and spatial connection place all 20 stands only inside the orange and blue areas stand system standard stand module 3 0 x 3 0 m premium stand module 3 0 x 4 0 m stands must face circulation paths no back to back stands without a passage aisle distribution 14 stands in the orange indoor area 6 stands in the blue glazed patio organize stands in linear and clustered layouts with continuous loop circulation circulation main aisles minimum width 3 0 m secondary aisles minimum width 2 5 m visitor flow starts from the pink staircase area create a looped circulation connecting orange and blue areas through the green zone without occupying it avoid dead ends and bottlenecks coffee break areas insert small coffee islands only in orange and blue zones one coffee area near the staircase entry one coffee area in the center of the orange exhibition space one coffee area at the end of the blue patio coffee areas include open counters and standing tables output requirements top down orthographic plan view technical cad vector style clean linework zoning colors stand numbering from 01 to 20 circulation arrows legend and main dimensions professional executive exhibition floor plan not a 3d render
