You can refer to the link below. The small honeycomb grid is an additional structure used by the original author as a filter. You can obtain the file from the original author (printing settings need to be modified, no top or bottom, 15-25% infill). Since it is not my original creation, I haven't included it here.
https://www.bilibili.com/video/BV1Kg411z7EG/?spm_id_from=333.999.0.0