Summary This is a set of components to make sleeper retaining walls there are 8 different parts that can be used to make your wall. The screen capture shows all the different parts. I have uploaded them in a zip file as one file is 102meg. This is because my software is set to produce hi-res STL files, so that is what I share . The included stl file is there because I have to have one so can be ignored, they are short barge boards for something else