I standardized all my storage bins but got tired of unstacking/restacking every time I needed something from the bottom bin. I built this rack so each bin can slide out, and it
homyfort Cube Storage Organizer Bins 12x12 - Fabric Storage Cubes Bin Foldable Baskets Square Box with Labels and Dual Plastic Handles for Shelf ...
Shop DINZL Storage Shelf Unit, Width 1020mm, With Open Fronted Storage Bins, HxD 480 X 200mm - Storage & Handling, Bin Racks, Bin Storage System | Zoro UK