bought a harbor freight tool box - https://www.harborfreight.com/tool-storage-organization/u-s-general-tool-storage/44-in-x-22-in-double-bank-roller-cabinet-yellow-64956.html
I wanted bins to hold my common screws.
1 Bin is 50mm x 50 mm x 50mm
2 Bin is 100mm x 50mm x 50mm
3 Bin is 150mm x 50mm x 50mm
4 Bin is 100mm x 100mm x 50mm
The grid is 4x4 - 200mm x 200mm
The author hasn't provided the model origin yet.