双稳态结构杯垫，可大可小-TPU版/Double stable structure coaster, can be large or small - TPU version

双稳态结构杯垫，可大可小-TPU版/Double stable structure coaster, can be large or small - TPU version 注：这个是TPU版，打印后即可正常工作，PLA版请移步主页 Note: This is the TPU version, which can work normally after printing. Please move to the homepage for the PLA version