How to create holes in line with existing holes

[RTFM]

I have a design with dovetails. I need to create holes in the sandwiched part (yellow) which correspond with the existing holes (in the red part). I was silly enough to create the red holes before sandwiching both parts together. And I have a lot of these…

Thanks

[TigerMike]

Here’s a way using Project.

[RTFM]

Wow! That’s clever. Thank you.

[TigerMike]

Here’s a variation