This Gridfinity drill bit storage tray is 4 x 5 standard (42mm) grid units, and 3 standard units height. It stores 18 different drill bit sizes. I made it for HSS 1.0 to 10.0 mm drill bits.
The finger slots allow easier removal of an individual drill bit.
See also my other dill bit organisers: https://www.printables.com/@keebs_601630/collections/2161868
The author marked this model as their own original creation.