interior shot apply the material and design style from the reference image to the existing sketchup model preserving the original geometry and layout walls finished with elegant painted wall panelling in a classic rectangular grid pattern in warm off white tones with subtle shadow lines stair treads in warm natural timber with a soft matte finish and gently rounded front edges painted stair structure in matching off white balustrade formed with slim vertical metal balusters in black evenly spaced paired with a smooth continuous black handrail with a refined curved transition at the base lighting is warm and ambient soft integrated step lighting creating a gentle glow on each tread combined with warm wall lighting for a calm layered atmosphere overall lighting is soft warm around 2700k and not harsh materials are high end understated and cohesive warm timber painted panelling black metal accents style is contemporary with classic influence calm warm and refined ultra realistic materials and soft lighting no changes to core geometry architecture
