"message":"Smart toilets designed for the elderly, integrated with armrests and a back panel heater, as well as a futuristic, mobile solution. The pencil sketches on the artistic board showcase a multi-angle, mechanical style with industrial design and textual annotations, structural lines, and detailed sketches. The mailbox features realistic details and playful shapes, while the marker coloring adds rich details and a complete layout reference table. The structural sketches and pencil drawings on the blackboard display detailed anatomy drawings, storyboard doodles, and hand-drawn illustrations."