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I'm trying to achieve this effect on After Effects with Trapcode Form plugin, because it's particles around the edges with hollow center, I thought it's got to be the spherical field, so I created box-string base form and cranked up the spherical field and I ended up with similar result enter image description here

how ever soon I realized the strings around the circle is in segments rather than a continuous line, it becomes more obvious when it's in motion, I'm curious to know how it's supposed to be done, thanks!!!

1 Answer 1


The "Ring Emitter" preset in Trapcode Particular gets pretty close to this - you could probably use it as a starting point.

Look in the Presets tab on the left under "Spline Primitives".


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