Ark of a World

This ringworld is like a giant star ship ark, traveling through interstellar space carrying life with it safe for 1000s of years as it reaches for a new star. This is the habitable outside ring that makes up most of the world as it spins. its so big it is nearly the radius of the Earth. when traveling through interstellar space an artificial sun warms the world from the center.
sci-fi is boner

Earth comparison: fav.me/d8qmc7x

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Made in blender 3D. rendered in cycles. render time. probably like 10 hours. 2500-3000 samples ish i don't remember.