Expandable Stackable Drawer Cabinet

I searched quite extensively for a laset cut drawer based storage cabinet. I wanted to use it primarily to store my knives and I wanted it expandable as and when needed. Non of the drawer cabinets I could find anywhere checked all my requirements.
I wanted it to be bigger than 350mm to store bowies. I wanted it to stack, I wanted the stacks to be able to go on as and when needed.

So I created this. It is a multi part stackable cabinet, The base is also the top up side down when you decided you