Just to say, your tortoise does have very slight pyramiding. But it is not easy to raise tortoises with a smooth shell. Over feeding is one of the culprits.
But I have seen a lot lot worse pyramiding, and if you give the correct diet, it will smooth out and could look a lot smother. Good luck with him/her.
Hi Jusbat, I read on one of your posts that you are looking for another horsefield, I'm downsizing and selling mine. You need to make another 2 posts and then pm me if you are interested Photos in my album if you want a look