Upgraded dust port for Grizzly G0453E planner.

I wanted a six-inch dust port for my planner to up the game on the dust collection.  After designing it I had to split it in half because it was way too big for the MK4.  At the split I added material for several screws to hold the two parts together.  So far, it works great.  I wasn't sure if it would be strong enough, but it has held up fine.   When I run boards through the planner I get almost no visible dust.  

I've included the my initial partial print which I used to test the fit at the opening of the planner where the dust port attached, because it was a bit busy.  After a couple tries I was close enough to print the modle.