SNOT Castle Wall Corner Technique

I was taking apart my Outpost vig because it's taking up some 1 x 1 tiles I need for another project, and I did this in case I ever wanted to do another something like this.

 

So you have three essential sections, color coded to make it easier to see:

The blue and red bricks each are one half of the corner. The yellow bricks hold them together.

 

More writing and link to .lxf file here, if you still don't get it.

Done