Vector illustration of a yellow mailbox.
Take the instrument

and draw a part of the mailbox’s cover. The parameters are shown:

Blending Options-Gradient Overlay

Gradient’s parameters

Blending Options-Stroke

Use the previous instrument to make a part of the mailbox’s cover with the indicated parameters below:

Blending Options-Gradient Overlay

Gradient’s parameters

Take the same instrument to draw a part of the mailbox’s cover with the black color:

The instrument

will help to represent an element of the mailbox’s backside. The parameters are shown:

Blending Options-Gradient Overlay

Gradient’s parameters

Take the already known instrument to represent a highlight on the lateral mailbox’s side with the white color: