Making a magnetic field line simulation

Something like this:

Saw some tutorials on YouTube using hair, but they looked way different than what I was hoping.

I wouldn’t use blender for any type of accurate simulation. But this is what you can achieve with two charge force fields and a single hair emitter (which also needs a charge itself in the particle settings):

charged_hair.blend (131.9 KB)

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Hey thanks for including the blend file, I’ll give it a try.

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