I’m having a really hard time figuring out what’s wrong with my initial Zsphere in a new document, it’s getting a bit frustrating :\ When I draw the first sphere and press A to preview its PM3D it only creates the front of the sphere. Any spheres I add to it are normal, and have all of their sides. Can anyone tell me how to get that whole sphere back?
Unless something odd is happening, which I can’t tell without a picture, thats just sort of how Zspheres work. They dont enclose a shape until more are added.
If you want a simple spheroid, it would be better to use the sphere 3d primitive and convert to a polymesh. Zspheres are more for blocking in rough forms.
If you are talking about being able to see both sides of polyfaces, you can do this in the tool menu, display properties > Double.
It makes sense to use a regular sphere if all I wanted were a single sphere, but the problem i have is if I want to use the sphere for say, the top of a torso, or the lower section of a face. What I run into is this:
Here is what my zSphere will look like when I preview it from the front:
If that’s the way it’s intended to work, I can deal with it and work around it, but if there’s anything I can change to make the full sphere display (like I’m 95% sure it used to…) it would be awesome to know 
Thanks for any help guys!
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The initial ZSphere that you draw is called the Root. The Root does not actually contribute to the geometry that is created by your ZSphere structure. It’s simply a placeholder, or anchor. I know that if you only draw the Root and turn on the preview you see half a sphere. That’s because ZBrush has to draw something when you turn the preview on. But as soon as you add any children to the Root, that placeholder no longer contributes.
To close the end of the model, you need to add another ZSphere on the opposite side of the Root from your structure. This “caps” the structure.
The reason you’re getting that weird effect when you view your structure from the side is because the children were not added perpendicular to one of the Root’s axes. It’s angled. Your first child should be directly in line with the Root. The ones after that can be angled as desired. Or cap the bottom side of the Root with a small ZSphere. Either will give much better results.
(By the way, ZSpheres II will do a better job with this situation.)
Thank you for the explanation, it makes sense 
The new zSpheres do look pretty impressive…
Draw your Zsphere,Hit edit,press the X key on keyboard,hold down shift and click on Zsphere.
you should end up with this.
both ends closed. 
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