r - Rotate Edges in semPaths/qgraph -

I have a data that looks like this example of Sasha Epscape:

  Library (Cuffe) Library (EmplaceAutomation) Download File ("http://www.statmodel.com/usersguide/chap5/ex5.8.out", Outfile & lt; - tempfile (filepath = ".out" )) #Plot Models: semPaths (outfile, intercepts = FALSE)  

I want to" rotate "the semi-circular" edges "for each node Yes. For semi-circular edges, I mean that the edges generally have R ^ 2 classes in the edges, I do not know how this is called, so it is impossible for me to solve this problem for me. If more information is needed, please do not hesitate to ask for it.