Recraft V3에 의해 생성된 FLUX AI 이미지

A black-and-white hand-drawn idea sketch of a circular laundry drying rack for active seniors. The structure should be very simple and minimal, avoiding the traditional rectangular frame. Concept: a lightweight round frame that can expand or collapse like an umbrella. Features to include: 1. Circular top frame with extendable rods for hanging laundry. 2. Automatic height adjustment pole so seniors can lower or raise the rack easily. 3. Wide base with rubber pads for stability. 4. One-touch folding mechanism, similar to an umbrella, for quick storage. 5. Small wheels at the bottom for easy movement and a locking system for safety. Style: inventor’s notebook style, clean line sketch with arrows and short Korean labels explaining each function. Layout: show multiple varia