Gridfinity Utility Knife Blade Storage. Made for 6x2 magnets. The Wedge is holding the blades in place, no matter how may are left. You can pull it out to take blades out or refill and put it back in. Because of the wedge design it stays in place. Container sits flush to other Gridfinity containers. Wedge is printed with a ca. 0,10mm gap. It works perfect with my printer Set-up but you might need to tweak the scale in width depending on your printer set-up. No Supports needed since steepest angle is 45°.