Any tips to ensure precut oval slugs are aligned properly?  Thinking about insertingbwithout glue and adjusting until angle is correct, marking the front and back edges with the center line.  I'm slightly worried about gluing in and not having it perfectly aligned.  Maybe this is where 5 min Epoxy comes I handy?

Any other tips/tricks?

Thanks
Scott

To align a oval insert
Place it in the hole close to where it should be lined up.
Take a ink pen and make a heavy ink mark on the center of the  back of your thumb.
Put your fingers in the ball and slide your thumb in the hole and pull straight out.
This makes a ink mark in the hole showing your thumb center.
Take your yellow pencil a mark on the ball where that ink mark is.
Now just rotate the insert and line it up with the yellow mark and it is aligned with your thumb.