The Jaçanã is a 3D-printed select fire capable firearm design known for its compact size and simplicity. Named after a Brazilian bird, it is characterized by its lightweight and minimalist construction, making it easily concealable and portable. The Jaçanã features a polymer construction and utilizes common components for easy building. With its utilitarian design and focus on functionality, the Jaçanã offers users a reliable and accessible option for personal defense or recreational shooting.