Help for noob plz

how can I connect this parts smoothly? (1 screenshot)

I tried extrude them (2, 3 screenshots) but this totally 0 smooth

this piece of art should be flexible tubing splitter

Perhaps try the Loft tool and play around with the settings a little bit, apply a Fillet to the edges later.

Loft with continuity or guidelines should work. If you can share the project I would be able to show you on a video how to do that.

right?

You still have to give an access.

More or less like this:

(post deleted by author)


Only half of your video not only answered my question, but also clearly showed everything that I had been struggling to understand for a month and helped me to understand the remaining difficulties. love you