[DesertRatTom]

Baltic Birch IS ply wood, so is Apple Ply. The other stuff ranges from horrible to just barely passable. Worst of all is the Chinese stuff that is filled in with fine strips of splinter causing bamboo.

Your joint should look pretty nice. Use a backer board of some sort at the exit end of the cut to help avoid tear out. I generally use a chunk of MDF for a push block/backer board.

 

[DesertRatTom]

Use a Wixey digital angle gauge to set the blade at 45 degrees. Use a full kerf blade. Can't get more accurate than that.

 

[DesertRatTom]

I posted this picture a couple of days ago, but in the wrong place. The pix if of the Infinity lock miter jig. Find a safe place to store these in a container, they are easily misplaced. The magnets hold them in place. Those are Infinity bits.

 

[DesertRatTom]

Set up the router bit while the cut is 90, then hog off with the table saw, then return the piece to the router table? The Infinity jig is really accurate, but this is a tricky bit, so you want to test it out on scrap, whether or not you use a saw.

OK Harry, What IS your method. Don't Bogart that information, my friend.

 

[DesertRatTom]

Just posting this for general information. From the Infinity site.