Peter Pan Variations: Cut & Lap
The instructions for the Peter Pan collar ends up creating a collar with a low stand. While the Peter Pan collar is generally considered a low-stand collar, it can actually have a high stand of 1-inch, a low stand of 1/8-inch, and anything in between. Below find an image to give an indication of what difference changing the stand makes. The lower the stand, the flatter the collar. The higher the stand the higher it goes up the neck.

Peter Pan: Cut & Spread Amount
To create the 1-inch stand from the 1/8-inch stand, cut into three and overlap each section at the collar edge by 0.5-inches (1.25cm). You will need smooth out both the neckline edge curve and the collar edge curve after lapping.