Abstract: An aircraft arrangement is provided, the aircraft arrangement including a first aircraft component for converting at least one input vibration into an output vibration suitable for driving an energy harvester, and an energy harvester coupled to the first aircraft component and configured to generate electrical energy in response to the output vibration of the first aircraft component, the first aircraft component including a three-dimensional lattice structure including a multiplicity of unit cells, the unit cells including multiple lattice-forming members, the unit cells having a mean greatest dimension of at least 10 nm.