What no frames!!

[Onge]

"or cut between the frames with a breadknife."

precisely.

Yes that's what I am going to do.

@sugarbush. I use wooden tongue depressors (wide lolly sticks glued in place and painted with organic wax).

As I say, It works fine on multiple boxes. It was just this one.

They are bees after all (as in they never stick to the rules 100%)