Corner unit has a connector and plates which are screwed together via screws and also supporting struts and flange

摘要

The corner unit has a connector (3,4) and plates (1,2) which are screwed together via screws (11) and also other surfaces (5,8) that have additional supporting struts (6,9) and grooves (7,10) which grip the plates. A supporting strut has a flange (5) and also a hexagonal outer side which belongs to the flange.