Filament Cleaner Centerhole version

Summaryhttp://bunkai.sakura.ne.jp/bunkai-wp/3d_printer/460/ ?????????????????????????????????????????????????????????????????????????????????????????????PRN3D????????????????????????? It becomes the filter holder, which effectively remove dirt surface of the filament.Please use it by inserting the appropriate sponge form.It is for the hole type, there is a centering effect on the filter.You have created the PRN3D for, but it is the part that can be used for general purposes.