create a long horizontal architectural moodboard aspect ratio approx 1 4 300 x 1200 mm style visual language hand drawn architectural sketch style black ink pen on clean white background no grid no texture loose expressive lines with small imperfections visible correction lines and overlapping strokes variation in line weight fine liner feel subtle light grey shading very minimal no heavy rendering keep it clearly a design thinking sketch not a polished render composition 1 center main focus a top view floor plan of an exhibition space maintain correct proportions 10 46 m width include walls openings stairs inside layout of elements exactly as follows 5 square pedestals 1200 x 1200 mm on the left side these pedestals are aligned but slightly staggered geschrankt still clean and structured keep enough walking space around them on the right side 4 l shaped frames 1000 x 1000 mm spaced further apart in the center of those l frames 1 rectangular pedestal 800 x 1600 mm for a maquette a low tv furniture piece centered between the two bottom l frames add subtle handwritten dimensions 1200 1000 800 x 1600 etc 2 around the floor plan balanced left right composition add hand drawn concept sketches of the elements square pedestals 1200 x 1200 x 300h transparent plexi box 10 mm open top filled almost to the top with soil show earth texture with loose hatching maquette pedestal 800 x 1600 mm solid base transparent plexi edge 300h light indication of a model inside l shaped exhibition frames slim black aluminum frame 50x50 mm two panels at 90 indicate visuals with light hatching keep elegant and minimal tv furniture low horizontal element simple integrated look 3 detail sketches small scattered corner detail of l frame plexi edge detail base fixing detail connection between materials keep these very loose and sketchy like quick thinking notes 4 handwritten notes add subtle annotations transparent plexi 10mm black alu frame visual print open top soil aarde small dimensions style constraints no color black very light grey only no filled black surfaces no perfect cad lines no branding or logos no marker title keep everything airy and well balanced overall feeling an architectural brainstorm sheet pinned on a wall clear composition but still raw human and in progress