Chinese Coins

I was doing some brainstorming for gifts that I could make for my wife and daughter when I came across an interesting color changing filament. The color combination reminded me a lot of the brass and jade jewelry that I often saw in the markets of Beijing. When I went for a search for some of the ancient Chinese coins I could not find any in Thingiverse so I fired up Tinkercad and created some of my own. The first coin is in traditional Chinese characters and represents money, the second one