Print in place 1x1x1 gridfinity module designed to hold the rubber handles of the Army Painter miniature files neatly. Should work for most needle style files. To test before printing, make sure your objects fit snugly in a 6x33mm hole.
Attribution: Based on the gridfinity system by Zach Freedmen
License inherited from upstream gridfinity license, apologies for restrictions
The author hasn't provided the model origin yet.