The present disclosure relates to a device for guiding and pivoting bodies via sliding the bodies through the device. The device is produced using a generative manufacturing method. A system includes at least two of the devices arranged in parallel, a conveyor device, and a control device. The control device controls the conveyor device responsive to receiving a control command and feeds bodies selectively to one of the devices. A treatment line for polyethylene terephthalate (PET) containers includes a process path, a preform storage unit, a preform oven of a stretch blow-molding machine, and the device arranged between the preform storage unit and the preform oven. A treatment line for PET containers includes a process path, a container closure storage unit, a closing unit for closing the PET containers, and the device arranged between the container closure storage unit and the closing unit.