Please give a link to the first discussion, so we don't waste your time (and ours) with repeated suggestions.
We can't see much of your image, but I did this using Smart Blur.
You have to play with the settings as a small change makes a big difference
A bit more going on this time. I used Filter > Artistic > Cutout with sliders set to the right to get the areas of different tone. Smart Blur was then able to get close to your wireframe look
BTW You can copy and paste images directly into the thread. Just copy to clipboard, and paste with Ctrl v as usual.