Bird feeder made from a piece of flat material for feeding and observing birds is structured by bending at folds to join a slot at the opposite end

摘要

Bird feeder made from a piece of flat material is structured by bending at folds (2-2f) to join a slot at the opposite end. Preferred Features: A slot is arranged in the base for receiving a bracket of a cup. Regions between the folds have the same size.