... to the essentials and only provides the necessary fixing points for the components. Its design not only saves the necessary weight, it also enables quick and easy assembly, according to Festo. The artificial butterflies therefore only consist of a laser-sintered body section that accommodates all the necessary components. The electronics, battery and two servomotors are installed here in a very small space. A wing root sits on each motor, to which both the front and rear wings are attached. The rear wing is also attached to the fuselage via a joint and essentially serves as a tail unit. The artificial butterflies are controlled by ...