The panels represent a decorative pattern - panel tiles on all sides. All holes are made geometry (without Boolean operations), you can turn off anti-aliasing. This makes it possible to: - change the radius of the perforations (select internal Border / use scaling) - bend the panel (use the modifier Bend) and increase the size of the panel (copy / positioned close using snap points on / at-Attach-it / weld point Weld-th) To edit a geometry, if necessary, turn off anti-aliasing (Subdivision Surface tab unche