input a vector of vectors via the customizer pane

I’d like to input a vector of the type [[a,b],[c,d]] via the Customizer pane.

I am able to input  a simple vector with a line that looks like this:

Variable = [];

Then I can paste the value [a,b,c,d,e] into the Customizer pane and process that vector within the code.

For a vector of vectors, I’ve tried:

Variable = [[],[]];

But I can’t change the displayed value by pasting [[a,b],[c,d]].

I’d be OK with using a string input variable and then using some conversion function to take the string “[[a,b],[c,d]]” and turn it into a vector, but I don’t see that functionality in vanilla OpenSCAD.

Any ideas?

Thanks,

Ken

Yes, though that creates two inputs in the customizer rather than one.

how about

ab=[5, 10];//[[-100:100], [-100:100]]

cd=[5, 10];//[[-100:100], [-100:100]]

abcd = [ab, cd]; 

echo(abcd); 

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