Place water in the aquarium and place a special film on the surface of the water and use the action of the water surface tension that occurs when the parts are submerged into the aquarium. The principle of the special starch film will dissolve when it floats in water, leaving only the image on the surface of the water, and if the transfer is submerged in water. It can be transferred to any complex shape such as uneven material. It can be transferred to most materials such as plastic, metal, etc. Water pressure transfer technology has already been used in a wide range of fields such as automotive parts, home appliances, instruments, and information equipment.