Why is it that when a user tries to copy a fanout from one design to another, only the common nets (DGND) copy over?
Circuit move and copy used to copy a circuit which is already used in the same design. For examples if you have multiple channels(all are similar channels) you can place and route one channel and the remaining channels you can copy it by using circuit move and copy.
If you want to copy the fanout pattern alone, in route mode you can select the whole fanout pattern and copy(Ctrl+C) and paste it on the component.
I hope this one will help you.
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