How to set a minimal size of a component?

SketchUp Dynamic Components
1

I’ve a big square and a little square.
I need to set the minimal size of the bigger square as the little square size.
But when i use =smallest, i cant resize my bigger square
i else tried IF(LenX<LittleSquare!LenX,LittleSquare!LenX,Lenx)
But started a circular reference

image

2

You use Current(“attribute”) but need to change the result to cm (current returns inches)

Capture
Capture980×828 36.4 KB

how to get results between or outside, min or max
to use Current.skp (19.3 KB)

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