This is very accurate and easy way of drawing an aperture icon. There is no need to spend more than 2 minutes. just used illustrator basic tools.
This video shows you how to draw wifi icon. It uses cut path at selected anchor points command. The simple and accurate way of drawing.
Here you can find out how the “diamond logo”, I designed for a company is drawn. To sum up, the logo design uses a deformed basic pentagonal shape and lines that cut linearly from each other’s corners.