each branch layer.
doing the top and bottom will be a little different. line up your post with all the pieces so you know exactly where you want it to go within the tree when it's assembled. now you need to line up the top with the cut out post and the bottom with a cut out post and group them to create a hole in each. i recommend cutting a little more into the top if you have the space to make sure the pieces all sit flush on top of each other in the end. if the post ends up being too long, it won't assemble right, so cutting 