The three-dimensional hollow elements can bring a highly spatial decorative effect to arts and crafts design. With the development of the laser industry, hollow elements are integrated with laser technology to outline various unique hollow handicrafts, stunning the world! In the face of aesthetic fatigue in graphic design, using three-dimensional hollow designs appropriately instead can break through the limitations of flat design and inject new vitality into the design of modern paper products, which is concise, unique, exquisite, and elegant.