This is a repo to experiment using a shader for vertex and fragment in composition with a Standard material.
by Citron Vert from Sketchfab https://sketchfab.com/3d-models/brain-in-a-jar-6f6f748d02544a779a999d7cc9b0f6a6
Original refference: https://twitter.com/zozuar/status/1621229990267310081?s=20 Shadertoy adaptation: https://www.shadertoy.com/view/clXXDl
Transmission material from Drei https://github.com/pmndrs/drei#meshtransmissionmaterial