I have mentioned that I was working on these for a bit. They have Cornwall internal volume and the port size and volume is close too. They have a bit of internal bracing that these photos don't show. My good friend Mark sent me the Camera to see what I have been up to and let others know too. I have been planing on building something all winter but I needed the weather to improve to start, as some would be done outside. I started cutting wood back on February 17th, five weeks later I had a pair