Hi Snake,

> Is there some mathematical formula that tells me what degree I should rotate the object
> before flowing it so that the ends can line up, or is it just guess and check?

Well it will be different depending on what shape you are twisting.

If you have a square base shape then you would want the twist to be a multiple of 90 degrees, like any of 90, 180, 270, 360, etc...

With different base shapes that would also be different too though.

- Michael