So in this section we're going to be designing customizable 3d printed rings. And this is one of my favorite lessons I used to teach kids. I used to always teach them this because they are super easy to make. They print really fast and they're really strong and it's a good conversation starter. If somebody notices you're really cool, funky, colorful ring, you can be like, yeah, 3d printed that. So let's dive into the lesson and make your own customizable, 3d printed ring.