I was just adding fiducials to an existing design, and took the lazy route, adding free pads. Nothing wrong with that, really.
Place, Pad
Name: FID1 (autoincrements as I place more)
Size: 40 mils (round pad)
Solder mask expansion: 20 mils
Layer: Top Copper (and Bottom, whichever need it)
Net: No Net
There's a polygon pour, so I need to set clearance.
New clearance rule:
Query: IsPad AND (Name Like 'FID*')
Constraint: 20 mil
No effect.
I test queries. Like '*FID*' works. Huh. '?FID*' doesn't work. Two ?? doesn't work, and so on. Five ?'s works. Huh...
On a hunch, try 'Free-FID*'. Works. Huh.
The object clearly says its Name, in the three places you can view it (dialog, Inspector and List). It's a Free pad, so of course, the Component property is prepended to the internal name: in this case, 'Free-'.
Just something to keep in mind. Happy querying,
Tim
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