I've seen it on here several times and different tables but I'm trying to find out where I can find a template of a table and put balls on it to show certain shots or print it out and use it as a drill resource.
The pool.bz site is great... you'll need to update shockwave which is a pain but imo it's worth it.
The other site's a little simpler but does work on a phone where pool.bz definitely won't.
The diagramming software can do a lot... full color or simplified black and white diagrams,
built in 8 & 9b racks, show cue tip position on the cue ball, add a stick or chalk to the diagram,
draw straight or curved ball paths (curved example below), built in option to show the tangent line,
barbox or 9 footer...
It used to be you could post these diagrams straight to AZB but unfortunately you must now settle
for using their image capture button and uploading a pic somewhere.