print following .stl file:
adapter_cap_for_piocreat_resin_bottle.stl
adapter_cap_for_creality_resin_bottle.stl
If none of the provided bottle caps are compatible with your current resin bottle, you can download the .stp file below. Import it into 3D modeling software (such as SolidWorks), make the necessary adjustments, and then export it in .stl format for slicing and printing >3<
afu_adapter_cap(_source_file)_for_piocreat_resin_bottle.stp