The end result of following the computer’s instructions is a greyscale portrait. Where few black strings overlap, it’s light, and where more overlap, it’s darker. That’s the whole gimmick ...

The 54-year-old’s second portrait as First Lady features her in grayscale, wearing a fitted black suit as she stands with her ...

Each artwork takes a month or more to complete, Dapper said. One of her largest works, a greyscale portrait of Abe Lincoln, involved more than a year of work. Show Caption1 of 2 A portrait of ...