omfg I thought the same. You mean the "core" of the tree, right? I still get chills when I look at the grossest trypophobia thing, but somehow (after a whole month of shivering and sweating out of fear), I got over freaking out over the small things, like the core of the tree. Hope you do, too!
nice ! (with a little of not so nice draws for my trypophobia tho )