transform this hand drawn floor plan into a clean professional 2d architectural drawing maintain the exact layout and proportions of the original sketch use the lot size as reference 19 90 m x 30 00 m draw all walls with uniform thickness of 15 cm ensure proper scale and proportion relative to the lot dimensions clearly define doors and windows with standard architectural symbols add basic furniture beds sofas dining table kitchen bathroom fixtures scaled appropriately use clean black lines on a white background technical cad style straighten all lines and improve geometry precision keep a top down orthographic view no perspective use different line weights thicker for walls thinner for furniture do not change the original design only refine and clean it optionally include room labels bedroom kitchen bathroom etc if dimensions are visible replicate them proportionally style minimalist architectural floor plan cad like professional high contrast
