The large model file is 1, and the small one is 01. I'm not confident enough to print it with PLA, so I used ABS to print it. After soaking it in water overnight, it's been used for two months and the fish are still fine. Try to set the infill to 100 to reduce the amount of warping. The wall thickness of the large tank is 5mm, and the small one is 4mm. When printing, make sure to adjust the model. I was too lazy to change it, so I just put some padding under it. This one is clamped on