Now, design is a funny thing, often times when arranging a space, we like everything to be "just so" - maybe you don't care, but if you do, this is where to start if you are looking to position your shelf at exactly the right height for your project.
Take a look at the diagram below for some guidance on how to install at the perfect height for your needs. As you can see, the positioning starts with the placement of the male bracket, with particular focus on the dieline and holes that are drilled into it. Follow the steps below for a shelf that's exactly where you want it.