I am having difficulties with my marble counter fabrication and stages sink cutout. The fabricator is claiming he cannot achieve a zero reveal that the template calls for because Kohler does not provide a slightly larger template to allow for grinding/smoothing after the template is cut. Can you please tell me what your reveal is or if it is too difficult to measure, how large is the gap when the walnut cutting board is pushed all the way to the top side? I've looked at as many GW pix as I could find but it is difficult to gauge the reveal.

Does anyone have a stages in marble?

Thanks for your help.