Filet Problem

Hello! How can I solve this problem “Filet”? Why is this not working?
I would appreciate your help
1.3dm (39.6 KB) (21.7 KB)

Don’t know why fillet doesnt work, so here a workaround (27.2 KB)

1 Like

This is a very interesting way. Thank you very much!

Fillet failed probably because the the curve isn’t planar
There isn’t an arc that is tangent to both curve segments at given radius