In the left case, the tolerance zone is parallele to B, in the right case, the tolerance zone is perp to B.
You could find both indications to change a Ø by a square zone.
In the attachment, there are only one triangle, so it indicates intersection planes.
Fortunately, I don't see those indications very often .
In the left case, the tolerance zone is parallele to B, in the right case, the tolerance zone is perp to B.
You could find both indications to change a Ø by a square zone.
In the attachment, there are only one triangle, so it indicates intersection planes.
Fortunately, I don't see those indications very often .
.
