Storing cans for first-in-first-out (fifo) usage.  Put cans in the top, and they roll down to the bottom.  Some other notable features:

• The wedge cutout for the upper level lets these print without supports.

• Sloped track rolls cans to the front even when there are only a couple left.

• Holds 6 cans.

• Cutouts to save filament and let you see what's in there.

• These are plenty sturdy printed in PLA.

• Small holes in front/back for attaching the racks together (but I ended up not using them).

• Outer dimensions are 125mm (width) x 191mm (height) x 271.75mm (depth).

Rack outer dimensions:

• width: 125mm

• height: 191mm

• depth: 271.75mm

Can dimensions I used:

• diameter: 75.1 mm

• height: 112.2 mm
  

FreeCAD file included for easy editing.