Has anyone tried, or is otherwise using, the wet sponge technique that Bambulab now advises us all to use on a daily basis to clean the hotend/nozzle and keep it clean?
Here’s a link to the high temperature sponges in the Bambu Lab store:
….and, here’s a link to the Bambulab Wiki where it is discussed, including the 3D printing of a brushholder to use while cleaning the nozzle: