How to draw QQ red envelope underwear

After receiving qq red envelopes to smoke underwear, many people will smoke a strange one. In fact, the drawing of underwear is very simple. Let's have a look.

0 1 qq Draw red envelope underwear, first draw a horizontal line.

Draw a dotted line at the intersection on the right.

Connect a faucet on the left joint, and then you are right. Click to open the red envelope. In fact, it is similar to simply drawing a Chinese bra.

There is another way of drawing, which is probably like a trapezoid, but the lines on both sides are a little bent.