The plan was always to add the last partition for a pair of 5kg plates and my plywood technique plates. It was a fairly simple build, and the sizing was based on the room I had left over so I won't be listing any sizes here.
First step was to add the last partition, for which I had a board already cut from the original build.
|Last partition is in|
|This just happens to be a good fit|
|Note the extra plywood on the last section.|
For strength I removed the last main partition, which I had just set up, so that I could screw the change plate partition from that end. The then put the whole thing back in an screwed it all off. I haven't screwed these from the bottom, but it all seems strong enough for now.
For now my smaller 5kg plates sit in the back section, but the plan is to buy more for my dumbbells, so I will likely build another rolling rack for just 5kg plates, this would leave that back section for clips, fat grips etc.