so i have been working on the cannon openings , this gave me a lot of headaches and i've had to redo it several times , i took measurements of the drawings and cut the openings even though they appeared wrong as they didn't line up with the frames , my thoughts were that the frames were probably in the wrong place due to my bad measuring when initially building it. so i went with it and framed the ports and planked the inside .
i re measured again and the ports were off , later drawing show placement of things on the outside that i wouldn't have been able to put on properly , so i re checked and found that there are 2 long cross sectional drawings and they are different and with my luck i picked the one that is wrong,
the second one which is right is in the part 5 folder the one that is wrong (which is the one i used is in the part 3 folder , i will upload pictures once i have it fixed , i don't think you will notice anything unless i point it out , i will let you be the judge