Thanks nosmo!
I thought the depth of 31mm might be an issue, but it doesn't seem to be as it fits comfortably in the hand. When I first designed Tux, the depth was 37mm, so I had to do some creative packing to get the depth down to 31mm to stack DNA screen and board plus the dual batt sled plus dual 18650 batts plus the depth of the front and back of the case lol.