Morning all

Ok - Im starting out with some little steps, after sound advice from here, however I think Ive got the shape idea I want. Im now just confused with the Boolean union

As per the attached picture, Ive created two items. A torso and a head mount. I am trying to union the two? And when i select them both and union them, it goes right back to being seperate. Is this something I cant union? Is it because the head/neck mount has no closed/capped top? If this is the case, any quick ways to create a closed cap on the neck so I can union?

hope that makes sense?

thanks

Scall