architectural design sketch conceptual architectural drawing rough hand drawn draft pure drawing medium only hand sketched with fine graphite pencil and black technical drafting pen on a blank flat pure white paper sheet strictly non photorealistic not a 3d render not a photo zero realism graphic composition and style convert the entire base image into a loose layered architectural concept sketch expressive hand drawn linework delicate broken lines contour outlines rapid pencil strokes dashed construction guidelines dot stippling and light technical cross hatching architectural content classical roman baroque portals triumphal arch keystones and molded profiles drawn as unfinished design sketches and geometric layout studies transparent geometric wireframe human figures sketched casually into the scene with dynamic anatomical gestures and loose graphite lines stark contrast background 100 clean solid pure white background ffffff with zero color zero wall textures zero shadows zero ambient lighting zero volumetric light and zero photorealistic materials high contrast monochromatic black ink and gray pencil marks only raw sketchbook plate crisp line art ultra detailed architectural draftsmanship ar 16 9 no 3d photorealism render color wall texture shadows lighting realism
