FilletEdge doesn't work

Hi guys,

I don’t often need to do surface modelling and got stuck on this one. Filletedge doesn’t work. How do I go about creating a fillet here which goes from 0 to a fillet with for example radius 5 to 0 again?
Something like this:

I get this with filletedge:

230316 FilletEdge.3dm (86.5 KB)

Hello- that seems to have worked OK here - I placed handles like this:


Right, so when I play around with the handles it sometimes works and sometimes doesn’t. That’s a bit cumbersome but I guess I’ll need to do it that way then