You can bring in Measure Names into colour, then change the marks type to square. Then add in an adhoc calculation to put some blanks in:
Update your size in the marks card to be the max size:
The reason why we had added in the adhoc calculation '' in columns is to segment the columns such that the squares don't overlap into the other measure names.
Then using colour, update the measure name colours:
Please see the attached sample workbook.
Blend Example.twbx 24.5 KB