ou are an architect preparing an early concept sketch i upload a line site plan interpret it as a landscape architectural concept and redraw it as a hand drawn architectural sketch style loose hand sketch imperfect lines visible pen pressure human drawing errors sketchbook quality black ink fineliner light grey marker shading occasional soft colored pencil accents very subtle white or warm paper background character should look like an architect s conceptual study not a finished project not a visualization not photorealistic emphasize composition spatial hierarchy paths surfaces and vegetation masses suggest materials and atmosphere rather than describing details graphic language vary line weight thicker cut lines thin secondary lines add minimal shadow hatching add a few quick human figures and trees as silhouettes leave parts unfinished important do not clean geometry do not straighten lines do not add textures patterns paving grids or realistic vegetation do not render do not make it look like cad or vector art the result must feel like a fast architectural notebook sketch capturing an idea