Use the instrument PenTool to draw the mailbox's cover. Use the indicated parameters:



Blending Options-Gradient Overlay



Gradient's parameters



Blending Options-Stroke



Take the instrument PenTool 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