Something in human taste will never change as time goes. This design is inspired from a coin that was official in more than 2000 years ago in China. Back then it was before Qin Dynasty. The slim waist and the circle end are iconic structures from the coin, which also look classic. This design has high-low face contrasts. High faces are more polished than low faces, which creates stunning contrast from all directions. The mouth used to open a bottle are precisely designed in dimension with 3D modeling, making sure all your forces applied on the opener are used to do the job. 3D modeling development for this project makes the final product from the manufacturing process are right in size and quality.