You could always do two of that lower R15 straight through side to straight through side with gender changers inbetween to force crossovers from either direction if you really wanted to make this crossover piece from real track. It would be at least twice the length plus the gender changer length however
I think it would be kind of fun to play around with to be honest
I think it would be kind of fun to play around with to be honest
I have a website where I have been writing about and photographing many of the sets and pieces that I find interesting.