Welcome to the forum, and thank you for documenting this feature request. Currently, the value is calculated based on the model tolerance but I support the idea of allowing the user to overwrite these values.
I believe that the tiny edges error is only a warning, and shouldn’t stop the command. For now, you can decrease the model tolerance, and that should fix the issue.
@mostapha Thank you for your reply. You are right. My Model Absolute tolerance was 0.1 units. I changed it to 0.01 units and the geometries were successfully converted to HB zones.