architectural collage illustration flat matte surfaces with visible paper grain texture layered cutout composition like torn paper glued together warm beige sand limestone and raw plaster tones deep geometric voids with vertical louvres watercolor painted vegetation overlaid as a separate layer pale bleached watercolor wash sky tiny anonymous human figures for scale scattered v shape birds no 3d rendering glossiness no reflections no specular highlights no realistic shadows perspective slightly flattened like a stage set brutalist monolithic solid forms muted desaturated palette limited to beige sand grey and muted olive green tactile handmade mixed media collage aesthetic architecture school thesis presentation style