I haven't gotten to a table to test it out yet, but I was fiddling with a protractor and a pool table template and discovered this setup that might be useful for those who want an additional visualization for the 9 aims of 1/8 ball fractional aiming. I found that by placing the cue ball on a long rail just beyond one diamond from a corner pocket and freezing an object ball to it along the same rail, you have exact targets (diamonds and pockets) for the first 6 of the 9 aims.
Besides the close-up view of the relationship between cue ball and object ball for each aim, stroking through each angle might help a person to get a feel for how thick/heavy each shot is at CB/OB collision. Also, you can watch how far each ball travels relative to one another at each angle, so perhaps good for helping to predict position play for each angle.
I hope it's of use to some of you.
Here's a diagram showing the targets and angles:

Besides the close-up view of the relationship between cue ball and object ball for each aim, stroking through each angle might help a person to get a feel for how thick/heavy each shot is at CB/OB collision. Also, you can watch how far each ball travels relative to one another at each angle, so perhaps good for helping to predict position play for each angle.
I hope it's of use to some of you.
Here's a diagram showing the targets and angles:

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