Very nice first attempt at segmenting Sean! And your finish looks pro!
Segmenting opens up a whole new arena of creativity that will motivate you to new and appealing designs. Make sure and heed Mike's 1/3 - 2/3 weighting, at least for the first few. Although not universal in design, it is a good rule of thumb in most designs. Keep that ratio in mind as you look at art or photography and you will start to see it. It's called the rule of thirds and is a basic concept in design.
That said, nice use of copper! I have been wanting to delve into copper but haven't come up with a design I am satisfied with yet.
On the copper glue up, did you rough it up first with 100 grit sandpaper? If not, you should so the CA has something to grab onto. Also, let the segmenting sit overnight to cure completely then be mindful of heat when turning or sanding as it will soften the glue. And, turn those areas slowly with a sharp tool.
Keep at it and post your next results!