Gridfinity Hero 13 Black and Batteries (stackable)

I was after a Gridfinity GOPro Hero 13 Tray, in which I could stack. I could not find one so I created this. It holds the GoPro Hero 13, 2 spare batteries and the battery charger as well. It is 2x2x11 in gridfinity size. There is a gap at the bottom of the gopro cutout, but does not effect its use.