I want my particle system to be on the opposite side of my mesh, but I can't flip the normals or that would mess up my other particle systems on the same mesh. How can I emit the particles from the opposite normals?where the particles are

where I want them to be

  • $\begingroup$ Move the origin of the particle mesh downwards $\endgroup$
    – J Sargent
    Dec 24, 2015 at 18:49
  • $\begingroup$ What do you mean by the origin? $\endgroup$ Dec 24, 2015 at 19:04

1 Answer 1


In order to do this,you can just set the Emitter Geometry's normal value, under the Velocity tab, to a negative number.

enter image description here

Normally, the slider is limited to positive numbers, however, you can just click the middle of the field and type a number in.

Here is a question about this topic: How can I set sliders to values outside the limits allowed by their slider?

  • $\begingroup$ It still won't work. When I type in -1, still nothing happens. $\endgroup$ Dec 24, 2015 at 18:44
  • $\begingroup$ Can you upload the Blend file? $\endgroup$ Dec 24, 2015 at 18:46
  • $\begingroup$ pasteall.org/blend/39795 $\endgroup$ Dec 24, 2015 at 19:00

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