I don't understand what you are trying to do
if you want the A,BmC as an axis place Product on the columns?
but then what do you want to see?
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You mean this?
This is a typical scatter view,
Or if you mean this way,
Dimension only allows text, so need to search uni-code symbol and manually align.
In this case, better use "text" instead of "shape" to avoid mismatching.
Shapes_v2018.1_SM.twbx 19.1 KB