Join Curves into one closed curve

[julioamodia89]

Hi to all,
I am trying to join these curves into one single closed curve, they are very close to each other but they are not touching. I have tried many different ways but for some reason any of them work. Any idea how to do this?
Join curves.gh (17.5 KB)

Thanks,
Julio

[Adam_M (Adam Mounsey)]

Here is one option:

Join curves_v2.gh (12.1 KB)

[encephalon]

guys please use the grasshopper tag.

[arcsky]

u can try it.choose the closed one