Split connector and modular frame comprising such a split connector

A modular frame, comprising a plurality of split connectors and a plurality of longitudinal split profile bars, where a split profile bar comprises two identical split profile sections, where the cross section of a split profile bar is square when the split profile sections are mounted to each other, where a split profile section comprises two open longitudinal profile slots and two longitudinal closed channels, where the closed channels receives screws mounting a split connector to a split profile bar, where a split connector comprises a first connecting element and a second connecting element, where the split connector is cube-shaped when the first connecting element and the second connecting element are mounted to each other, where the first connecting element is connected to a split profile bar section in a first direction with a screw through a first screw hole of the first connecting element, where the first connecting element is connected to a split profile bar section in a second direction with a screw through a second screw hole of the first connecting element, where the first direction is perpendicular to the second direction, where the first connecting element is connected to the second connecting element with a screw through a third screw hole of the first connecting element to a first threaded hole in the second connecting element, where the second connecting element is connected to a split profile section in the first direction with a screw through a fourth screw hole of the second connecting element, and where the second connecting element is connected to a split profile bar with a screw through a fifth screw hole of the second connecting element.