interior shot apply a semi realistic sketch style architectural render to the existing sketchup model preserving approximately 90 of the original geometry style is soft minimal and refined with a light editorial feel materials are simplified light natural timber for stair treads warm off white painted walls and stair structure and slim black vertical metal balustrades keep finishes matte and understated edges are slightly softened with subtle sketch lines and light outlining maintaining a clean but hand drawn quality avoid full photorealism textures should be light and suggestive rather than highly detailed stair detailing is smooth and sculptural with gentle curves at the base and along the stringer inspired by a continuous flowing form lighting is soft diffused natural daylight with minimal contrast and no artificial lighting shadows are gentle and slightly flattened optional minimal styling elements only e g a simple plant but keep the scene mostly clean to highlight the architecture overall style is calm contemporary and presentation friendly a balance between sketchup output and a refined architectural sketch render architecture
