How to outline traced object in AI?

Question

I have traced object which contains lots of polygons. Something like this:

enter image description here

What I want is to outline this object similar to stroke, with solid color. How to create a simple object which is actually outline of my object?

2013/10/03

Scott · Accepted Answer · 10/3/2013 4:40:00 PM

Group the objects, if they aren't already a group.

Then simply add a new stroke in the Appearance Panel and then move the stroke below the Contents item.

stroke

Then, if you want a separate object for the stoke, choose Object > Expand Appearance

Scott

2013/10/03