A product design that serves designers and assists designers in their early work. So that they can better experience the pace of work. Combine the pencil sharpener with the pen holder. This design combines the designer's pain points and working methods during the storm. Put the brush into the pen holder subconsciously after cutting it. The interlayer design in the middle is convenient for the designer to store the pencil head. With modular design, the four parts can be disassembled and assembled at will, and can be used or integrated.