Dave OCD, it may be 1mm off, but it's a sliding wall mount, so I will check it next week, to the mm, and rectify it ( in the non-electrical sense) as it is easy to move the TV right to left and vice versa, plus some tilt and levelling...
I thought it was bang -on centreline, but with one eye to work with...not a patch on you guys! Oh...patch! did you see what I did there? Lol!
As Mrs Van Gogh said "The trouble with you Vincent...it goes in one ear..."
As Mrs Gordon said " Do that one more time Flash, and I'm gonna wipe the floor with you!"
and for those of you who tutted...I didn't Wago the back box...Lol!
I did fly-lead it though.