I'd like to have a reuse block included in the copper pour for the ground plane of my main board.

I can give the reuse block a copper pour of its own but it ends inside the reuse block's board outline.

Rebulding the copper pour of the main board ends outside the reuse block's board outline.

How can I join the copper pour of my reuse blocks with the one for the main board in the most reasonable way?  Do I really need to apply a "strip of copper fill region" tape across the board outline for each of my five reuse block instances?

Any other ideas?