(2020-04-15, 22:15)GeraldĀ Lasser Wrote: The inside really looks like the three bumps from 23422 centred in the vertical segment
I agree. It appears to be the same system. And the bumps are indeed vertically centered. The only alignment issue I am concerned of is the stud orientation vs the bumps. The white 2x2x2 slope in my pictures is sitting on the same studs in all pictures - that should help with this alignment.