need help in combine nodes stuff

[os design]

hello designers , i am a new affinity designer user and i need someone to help me (look to the video) , and i need it to be like this (look to image)

 

thanks

[GarryP]

Here’s a quick video.
Make sure that the curve ends are snapped, otherwise you will get a joining line.

[os design]

thanks a lot mate

 

[GarryP]

You're welcome.