Making a blood vessel interior scene in Blender 2.9 | Beginner tutorial

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Man I just love your tutorials! I haven’t seen the Fresnel node used before, didn’t know it’s so powerful, what exactly does it do? Very nice work!

Thanks! Fresnel comes from real life physics. There are lots of advanced explanations but if you sum it up in Blender-specific layman’s terms it allows changing appearance of something based on the viewing angle.