TV Speaker duct

I have a 32" LG mounted above my triple monitor setup. Unfortunately the speakers come out the bottom and the sound is directed away from me and across the room so I came up with this sound duct to redirect it up and over my computer monitors. There are 2, the 2nd is just a mirror of the 1st. I'm having to make it in several pieces and acetone glue them together. More pics to come as I finish printing the duct pieces out.

Final Update: All done, the Acetone glue solution worked like a ch