architectural hand sketch rendering of a 70 s sidesplit with gable roofs and stone accents drawn in the style of an architect s copic marker concept sketch use minimal contrast and nuanced color blocking with a light neutral main siding of off white panel areas and warm natural stone accent walls windows should have clay frames and cool blue reflections render expressive freehand linework with visible marker streaks and layering emphasizing depth and tone include foreground trees with dark trunks and soft green foliage loose shadows on the driveway and a soft blue sky wash behind the overall composition should feel energetic balanced and artistic like a presentation board sketch style tags architectural marker sketch hand drawn rendering copic style