Horizontal group layout but with a limit

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I was thinking that it is a good thing you can place attributes horizontaly in a group. However in addition there could be something like "number of attributes in a row". An example - when I have 9 attributes in a group and would like to place them in a matrix 3 x 3 (let's say in this case this is the best layout for some purpose) now I have to create 3 groups of 3 attributes and turn off the visibility of group names. My idea is to make system do it by itself. One more advantage is that in Designer Studio the groups wouldn't have to be artificially divided - clearer and more logical appearance.