Factorio Forums

Use the cut function, hold shift to edit which entities are selected, and then click the check mark to create the new paste blueprint.

Because I can use shift to edit what will be cut, I figured it would edit and apply the cut function to mark just those items for removal.

https://youtu.be/rrMftkITJWc

Making this work really precisely would require some non-trivial additional coding, so lets say that this feature is not officially supported.