Hi Rob,nThanks for your advice. Regarding the smoothing, I think that i just a poor screenshot on my part, the re-meshing option (deselecting the smoothing made no difference):nI haven't been able to find the videos you are referring to, seems like the help only includes descriptions, but I will investigate further and see whether they help. I've tried to follow videos off YouTube, but I can't spot the error.nThanks again for your help,nAtreyn