Placement of Datums Datums are generally placed on a feature, a centerline, or a plane depending on how dimensions need to be referenced.
{"Image DocumentName": "Placement of DatumsDatums are generally placed on a feature, a centerline, or a plane depending on how dimensions need to be referenced.", "Image ImageDescription": "A. OR. ASME A. ANSI Line up with arrow only when the feature is a feature of size and is being defined as the datum.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}