Using relations to create a datum plane

[cmcdonald]

I have created a datum using a 'Feature Relation' and I would like to know where this reference is saved. For example I have created a datum from another datum and set the distance as 'D2/2' and pressed enter. This then displays another box saying 'Do you want to create a feature datum' which I selected yes. Now the problem is that I have since redefined this datum and just simply entered the correct distance but when I save my model I get a relations error and I cannot find the dimensions which are identified by this error. I have checked the Relations box and this particular relation is not shown, any ideas where I could find this?

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[TomU · Accepted solution]

These will be placed either in the top level relations (Tools --> Relations), or in the relations of that specific feature.  (Tool --> Relations --> Select "Feature" from the drop down list, then pick the datum plane.)

[cmcdonald]

Thanks Tom