How to animate transverse contour lines?

Does anyone know how to make a shader with this line aesthetic, as well as, how to make the lines move up and down on the figure? Have been trying to figure it out but cant seem to get things going. Would really appreciate it. Thanks.

Radial lines on the figure are fairly simple. Calculate the world space position, use a striped texture or frac() on the worldPos.y value. To animate add frac(_Time.y * speed) to the world pos. You can add some noise using another texture mapped along the world x and z coordinates, or with a noise function to add some variance.

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