The last part in the coffee table project, was to add a corner detail to emphasize – even farther – the presence of the slanted chamfer. I decided to create an indented square at each corner which will expose the chamfer's angle and thus will make it more conspicuous.
I used a chisel and made the indentation. I then painted the square black-gray (the same color as the table base. One might mistake the black-gray square as the top of the leg, but of course this is just an illusion.