Stackable storage box v4

Stackable storage box v4 Are you tired of the usual storage boxes with a classic lid, that move and are unstable? Here is the perfect storage box for you! This stackable storage box model is ideal for stacking your storage boxes on top of each other, without the risk of accidentally moving them and causing the contents to slip. I designed from scratch this stackable storage box using fusion 360, so please give me any suggestion to improve my model! Be sure that the build plate is in the perfect central position, tree supports are really close to border limit of the build plate. Standard size: 220x150x85 mm + 5 mm for top border - 220x150x3 mm for the lid. A1 mini size: 150x100x60 mm + 5 mm for top border - 150x100x3 mm for the lid. Print profiles: Default (220x150x85 mm for the storage box + 5 mm for the upper border, 220x150x3 mm for the lid) - Wall thickness: 2 mm - Line width: 0.4 - Walls: 2 - Infill: 15% cubic adaptive - Line height: 0.28 (to achieve faster prints, or you can choos