I am trying to create trusses that wrap around the cylinder, in between those 2 rings on the outside. It is actually VERY similar to the video. However, when I try wrapping the sketch round the cylinder, I get the error "Wrap feature could not be completed with intersecting or open contours". When i try to define the sketch, I CONSTANTLY get errors. Can anyone help please? None of the other forum posts worked for me, and I've been stuck here for 4 hours now. Thanks.