Gridfinity 3x2 LiIon Cell Holder

I took inspiration from Olov's array of battery holders/organizers. This is a 3x2 Gridifinity holder dedicated to LiIon cells, particularly the 14500 (7 spots), 18650 (5 spots) and 21700 (5 spots) sizes. Although I designed this for my specific use application (LiIon cells for custom EDC flashlights), I figured others may have a similar issue.