While aquascaping is 100% personal preference when it comes to what is aesthetically pleasing... I can give some observations...
1. It looks like the rock is very close if not touching the side. This will be very difficult to clean and over time may not look the greatest from the outside.
2. This may be the angle of the picture, but it looks like you have limited yourself for coral placement to the top of the structure. I would suggest making it more terraced to give you multiple layers to place corals on.
Just some thoughts on the structure. I have redone mine so many times in the past, I wish I had images of each time I changed it. It is kinda crazy the evolution of our tank aquascapes over time
Thanks guys it is a little hard to clean the glass I need to get more rock I might also consider doing to stacks and having a open center so many thing u can do with yhese things its awesome
Took the advice moved some corals around so all them aint on the top lol once you said something I realized it lol I also made more caves it looks like a real reef now atleast the clowns like it they have been playing in the rock work since I did the new setup