Today, luckily I met a friend, shoes designer, he is old school and, of course, I pop the question. I could not get the exact springing of vamps in the pattern for men boots. And when I saw him in the parking lot, I asked how to? what am I doing wrong? He explained it to me, while leaning casually on a car, drawing on a piece of paper. I just had to move a point not on the top center of the line, just on the bottom line. Her is the video on how to do it right.
He gave a few more tips, which I will soon share on my YouTube's channel: