The invention provides a system for positioning a viewing screen. The system comprises a base body and at least one screen body. The screen body comprises a suspension hook and, on the one hand, is configured to be rigidly connected, at least in one position of the screen body, to the base body and, on the other hand, is configured to fasten a viewing screen thereto. The system further comprises a securing body for releasably securing the rigid connection between the base body and the screen body. The base body comprises a suspension edge. The suspension hook and the suspension edge are configured to suspend the screen body from the suspension edge of the base body via the suspension hook.