Splitting Multiple breps with 1 cutter

[ahmedsabrah26]

here is what i intended to do at 1st but failed so if you have any other ideas that would be great
thank you for your help

Dividing a surface to equal distances

i’m trying to divide a surface into equal widths and heights but it always divide them like an offset to the the surface not vertical and horizontal lines i want to create the panels like the picture below i used the lunch box plugin it gets me the result in 2nd picture then i tried dividing the surface with isotrim but it gets me the same result [5] [dsdffdsfddsf]