ConfigBuilder is a possibility, but that is not available to customers.
You can always use something like Visio and leverage the NetApp stencil library.
https://www.visiocafe.com/netapp.htm
BTW, it looks like they're maxing out the stack at 144 drives with these shelf additions.
Frankly, you would just add the shelves as shown to the existing stack.
For performance reasons, keep the DS224C (with SSDs) at the end of the stack.