Thanks, Michael, for taking a look at the files I sent you and for pointing out that the problem with my pdf is with the many tiny protruding connection points between the various sections/shapes I had joined together to form the main component part. I need to be more precise in laying down, and especially joining the basic shapes together. l I think I will produce all of my shapes within MOI in future and avoid a case of the jaggies - now that I know what to look out for.

Barry