A product design sketch o

A product design sketch of "Haven Rest Stool", human-pet integrated furniture, emotional design principles. Show: 1) Organic flowing lines like smoothed river stones 2) Warm walnut wood frame with cream fabric cushions 3) Built-in pet nook with arched entrance 4) Person sitting while pet rests below 5) Soft ambient glow from integrated lighting. Style: Hand-drawn industrial design sketch with subtle watercolor wash, perspective view, detailed annotations in English, clean white background, design studio atmosphere.