On joining polygons together
 

I was working on a project where I mirrored my polygon object together....however after continuing on with my steps I soon noticed that the objects are not connected.

How do I go about connecting them?

Thanks for the help!

I would not use the technique of polygon > mirror. Best way is to freeze transformations and then move the pivot point to the centre of object. Duplicate it and then scale to -1 in X, then combine and merge.

R@nSiD, I did what you said...but I have some questions.

First, why do you need to use the Freeze Transformation? What does it do?

After I used Freeze Transformation, I duplicated the polygon, set my value to -1, and then clicked combine...but my polygons didn't touch still...aren't they supposed to automatically connect?

Finally I went ahead it clicked merge, thinking they'd connect where I needed them to...only they turned white, and had yellow points all around them (I guess they're showing me their vertices?), but they still don't connect.

Am I using the Combine and Merge correctly? If so, then why aren't they connecting where they should? There's still a gap.

Freezing Transformations, basically sets your geometry to 0 0 0 in Translate, Rotate and sets the scale back to 1 1 1. When you highlight the model and press W on the keyboard, you will see the Move Manipulator/Tool. This should ideally sit at the origin (the thicker black lines on the grid). If it is then great, if not press insert and hold down X and move the tool until it lock onto the origin (This is best down in top or front view). Pres Insert again and you have now moved the pivot point.

Now duplicate the model and set the Scale X to -1, you now have the 2 sides symmetrical. Select both and combine them, once that's done it becomes 1 piece of geometry. Go into component mode and select vertices's. Now select 2 verts and merge. continue all the way around until all the geo has been merged. Download the Cartoon Dog tute from here (Free). Kurt goes into this type of operation quite extensively.