I save NASA’s graphics standards manual for its Worm logo to my home screen & get the Meatball logo for the icon. <a href="https://www.nasa.gov/sites/default/files/atoms/files/nasa_graphics_manual_nhb_1430-2_jan_1976.pdf">https://www.nasa.gov/sites/default/files/atoms/files/nasa_graphics_manual_nhb_1430-2_jan