Jean Thanks for taking the time to describe the Autoselect feature in such an intelligible way for me and explaining the way it would help in my initial query regarding creating a stepped circular array. Being able to miss out 2 elements from my current 4 element sequence will certainly allow me to be quicker and more fluent in Sketchup . Thanks again Jonas Mac

Hi folks. This is the file I posted at the beginning of november 2009. Use the scene tabs to discover the trick. Best regards. Hiding and smoothing junction line.skp