挺好玩 咱也做了个类似的，不用支撑，没做卡扣，用胶粘一下，可以放底宽41毫米的杯子，根据需求缩放打印。

Very funny we also made a similar, no support, no buckle, with glue, you can put the bottom width of 41 mm cup, scale according to demand print.