Is it possible to replace ribs with a 'soft' silicone for extreme body contouring?

I'm into corset training and want to aim for an extreme cartoon appearance. I know rib removal is possible and not recommended. But the results, while impressive, don't get the long slender waist contour I want. Would it be possible to remove ribs 7-12 and replace ribs 7-9 with a malleable wire filled silicone that would be just hard enough to function as a rib but soft enough to be corset trained to the shape I want?

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