Hangable spice rack

My mother requested I make her a spice rack to hang over the back of the range, so I designed one specifically for the containers she uses. The rack features 7 lower bays (75mm diameter, about 25mm high) for use with larger round tubes, and a tray up top (about 80mm deep, 25mm high) for holding the irregularly shaped objects. The upper portion has 3 premade holes for mounting screws, and the bottom rack locks into the upper's base.

This print will consume about 1500g of filament, and will take about 28 hours using my settings.
I included the blend file for anyone interested in modifying the unit.