Imagine a jetpack designed by Leonardo da Vinci himself, utilizing his ingenuity and fascination with flight. The sketch should capture the essence of a gravity-defying device, combining elements of animal anatomy, ingenious mechanisms, and detailed annotations. Key Elements: Structure: The jetpack should have a robust yet lightweight structure, crafted from materials like wood, leather, and metal. Engines: The jetpack's engines should be prominent and connected to a system of intricate pipes and gears, inspired by Leonardo's anatomical studies. Controls: The jetpack's controls should be intuitive and ergonomic, allowing the user to maneuver the device with ease. Annotations: The sketch should be accompanied by detailed annotations explaining the jetpack's operation, using Leonardo's calligraphic style. Perspective: The sketch can be in front, side, or three-dimensional perspective to showcase the device's details from different angles. Detailed Drawings: The sketch should include detailed drawings of the jetpack's internal components, such as the engines, fuel tanks, and control mechanisms. Style: The sketch's style should resemble Leonardo da Vinci's scientific and engineering drawings, with fine lines, subtle shading, and descriptive annotations. Inspiration Examples: Leonardo da Vinci's anatomical drawings: https://artsandculture.google.com/entity/leonardo-da-vinci/m04lg6?hl=en Leonardo da Vinci's flight studies: https://en.wikipedia.org/wiki/File:Leonardo_da_vinci,_Flying_machine.jpg Leonardo da Vinci's flying machines: https://commons.wikimedia.org/wiki/File:Leonardo_da_vinci,_Flying_machine.jpg Final Result: The final outcome should be a detailed and captivating sketch of a Leonardo da Vinci-style jetpack, capturing the Renaissance inventor's imagination and creativity. The sketch should be a work of art in itself, as well as a valuable historical document that envisions how Leonardo da Vinci would have approached the challenge of individual flight.