First I created a circle and applied a Particle System to create pine cone style vegetation.

Then I masked the Circle in the Outliner (using the Eye icon), to allow Blender to go faster, and created a little house with a smokey chimney (smoke made with Metaballs) to place in the scene. I converted the Metaballs to Mesh and applied a decimate to it.

Only, when I clicked on the Circle's Eye icon again in the outliner, the Circle was now huge and had undergone a transformation I didn't expect.

enter image description here Looks small in material view, huge in rendered view. But it used to look small in rendered view too in the beginning.

The only modifier is the one on the smoke (displace), so I thought that was accidentally applied to the Circle, but I can't see this modifier listed when I select the Circle.

What happened to this Object, and how do I make it look "normal" again in Rendered view?

  • $\begingroup$ The only thing I can think of that would change the geometry in rendered view would be the experimental Cycles true displacement. $\endgroup$
    – PGmath
    Commented Jan 12, 2016 at 3:52
  • $\begingroup$ ok... thanks. There are no images or textures, only a particle system and simple diffuse or glas materials. $\endgroup$ Commented Jan 12, 2016 at 6:48

1 Answer 1


Your particles are huge.

enter image description here

Try using something like .01 for the root size (this value is in BU, at least when Scaling is set to 1).

  • $\begingroup$ Ok! That's the answer. For a strange reason, I feel that the info for "root size" got corrupted and changed when I made/modified the house or when I hid that object and unhid it... very strange. Thanks a lot! $\endgroup$ Commented Jan 12, 2016 at 8:21
  • $\begingroup$ (and thanks for saying my particles are huge) $\endgroup$ Commented Jan 12, 2016 at 8:21

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