22x22 go-down icons

[Luya Tshimbalanga <luya_tfz thefinalzone com>]

Just made a 22x22 go-down arrow perspectives for echo. The tricky part
was the extrusion technique which I used three non-outlined rectangle. I
wonder if there is another technique to give a 3D dimension in a 2D
perspective. Thank you.

Luya