For some prototyping I needed a struct like VertexPositionColor, but I also needed a normal, after a minute of Googling I found out that nobody wrote a small (XNA4) compatible snippet) for this. So here I give you my own snippet. (Which also is a handy reference to see how the ‘new’ IVertexType interface in XNA4 works (yes I still think of XNA4 as new).