AA & AAA Battery Holder Gridfinity Stackable

Battery Trays for AA & AAA Batterys based on the initial design Gridfinity Battery Boxes AA & AAA from MakerBunny and the remix Gridfinity Battery Trays (AA & AAA) from feyach I like those designs really much except that I want to stack the boxes in case needed. So I created this remix version of the Battery Trays. The Gridfinity boxes have the following size:AAA battery holder - 2x1x7 uAA battery holder - 3x2x7 uI've added a AA battery holder - 3x2x8 u, which is fully