New to Zbrush: Zsphere mesh craziness

[system]

Hello, I am a bit new to Zbrush, but not to 3D art. I am attempting to model a tree branch using Zspheres, however I’ve gotten to a point wherein if I add one more zsphere, the mesh preview goes crazy. to illustrate, I’ve taken some screen caps.

[] This is the preview mesh that is generated from adding one more Zshpere to the model. As soon as I delete a single Zsphere, it goes back to normal. _____________________________________________________

I would really like to get to modeling this and many other things, but this error is really frustrating me. Thank you in advance for your help.

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[aurick]

First question is, which version are you using?

Second, where is the new ZSphere being added? What is the scale of the model relative to the Tool>Preview window? If it’s huge compared to that window, what happens if you use the Tool>Deformation>Unify feature prior to turning on the preview?

[system]

I’m having a similar problem trying to create a branch. Did you figure out how to fix the problem?