Hello

I would like to consult how do I manage to put the piping insulation?

I tried with the "cover" on the part of "piping" following all the steps and actually I get covered them when I do it, but after the respective accept, accept, accept all vanish ....

similar thing on tube

https://forum.solidworks.com/thread/80936

But I know it is possible cause a former workmate does it, but he never told me how

Can somebody help me? Thank you

P.s: I got a model with insulation, but I dint get to know to how to do it….here I leave it for someone to take a look and tell me

http://www.mediafire.com/download/tk4ksdlv255svvp/fgfvf.zip