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Can you post a snippet where we can see the tolerance requirement and the datums?
I'd say that is a wrong callout. Can you get clarification from the designer? If the designer can explain what their intent is, maybe you can advice on a GD&T tolerance that fits the purpose better.
I mean, what should this centerline through the 5 cylinders be constructed from? The top or bottom of each cylinder or their centerpoints?
You don't have a positional callout for the five cylinders?
Construct midline from A & B cylinders & align to that. Create a line from the 5 holes. Check for perpendicularity. I believe the only way for parallelism to be checked is to project circles from A&B cylinders onto the face, construct a line between them & see if pc dmis will accept parallelism between A-B line & line that you constructed from those 5 circles. Once again brilliant engineering at work. What do they teach & how do they teach at those fancy expensive engineering schools? I've only have had problems with those newbie engineers who think they know it all; I can't count how many times I got into fights with them over their bs ideas, totally unworkable GD&T callouts & tolerances for plastics that require millions of dollars worth of super precision measuring technology.
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