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https://www.blender.org/

Open source, free, 3D rendering software. Outside of Linux, it would be tough to find a better piece of open source software than this.

There are also tons of free tutorials on YouTube.

Thanks for the info and the share.

It's been around for some years now. It's a completely free, open-source 3D program with everything from modeling, simulations, rendering, animation, texturing, sculpting, video editing, motion tracking, almost anything you can think of related to 3D. https://www.blender.org

If you decide to learn it, I highly recommend starting here. Blender has a big learning curve at first but once you get the hang of it, it's amazing!