How to create an array of 3d cubes in WPF

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WPF

I am trying to create a group of stacked 3d cubes in WPF. However, everywhere I have read only has an example of 1 cube being created at a time or 9 cubes(3×3×3 rubies cube)

I am wanting to be able to quickly create a dynamic amount of cubes.
For instance 9 rows of cubes that is 3 cubes wide and 5 cubes tall.

I feel like an array may be the answer but its been days and I can't figure it out

What I have tried:

I've read the documentation for helix toolkit and multiple other libraries