Gridfinity ruler holder

This is a gridfinity ruler holder for a viral gridfinity measure ruler Note:it is a good idea to leave one spot empty next to the gridfinity holder when put in a drawer to easly being able to grab it from the holder,or putin next to it somthing short The creator of the gridfinity ruler:https://makerworld.com/en/models/856330-gridfinity-ruler-mkii-7-unit-length#profileId-805694