| My father made me one last year. |
Here is a link that might be useful: arbor swing
| I agree with Jim, you have to make sure it is perfectly safe and well constructed if your family and friends plan on using it! You can also buy a lot of swing-arbors like this in kit form. It may put your mind at ease a bit more than improvising! |
Here is a link that might be useful: Arbor Swings and Porch Swings with Stands