How to attach timber

[wjwren]

What is the best way to attach large (sleeper size) timber together? What are those black brackets called , cant seem to find them online. It's for a gazebo build.

[wjwren]

samdale said:

This.

Simple, neat, effective.

Any metalwork like that looks a bit naff imo.

That sounds/looks a neat option. Would it be best to use a bench saw for this and set the depth off that?

Any advice appreciated.