I NEED A PICTURE OF A PERSON SITTING ON A SOFA. ANNOTATED WITH THE FOLLOWING. 1. Seat Height (Floor to Top of Cushion) • Ideal Range: 40–45 cm (16–18 in) • Purpose: Allows most adults to sit with feet flat on the floor and knees at a 90° angle • Too low? Difficult to get up from • Too high? Legs dangle or pressure under the thighs builds 2. Seat Depth (Front to Back, Cushion Area) • Ideal Range: 50–55 cm (20–22 in) • Purpose: Supports the thighs without cutting off circulation behind the knees • For lounging sofas (deeper comfort): 60–70 cm • For upright formal seating: 45–50 cm • Include additional depth for back cushions (they compress) 3. Seat Width (Per Person) • Minimum per person: 60 cm (24 in) • More comfortable: 75–90 cm (30–36 in) per seat • Always account for armrests See more