Link to the Onshape 3D CAD workspace (site doesn't seem to work with Chrome):

https://cad.onshape.com/documents/7afba0168ea30a5f597a54c2/w/09163c1b06bc93b171a087d2/e/bc01e09d01f6fcbd7d622de4

Link to my blog:

https://www.charmandchoker.com/blog