Object not visible in render
I have a model which you can see here (camera perspective).
In the second image, you can see how the render turned out.
I'm at my wit's end trying to figure our why it's not showing up in the render. If anyone needs more information, just ask and I'll get it to you. I've already checked the normals and they're not the cause.
related: http://blender.stackexchange.com/questions/33787/why-is-part-of-my-model-not-being-rendered (while this link was created later, the answer is more universally useful)
Another reason can be keyframes. You move an object to place it in front of the camera, hit render... And it doesn't render because you didn't key the location in front of the camera
In object mode press W -> clear all restricted render. That will make all objects visible in the render. Also you can select and object and hit Ctrl+Alt+H to unrestrict render on the selected object. If there are objects that you have that you do not want rendered you can click the camera button next to the objects name in the outliner which is usually the top right window. This toggles camera visibility.
I've actually done that several times myself. Probably from hitting W in object mode and immediately clicking while the object is selected.
I have found that problem a strange amount of times. Each time I am pretty sure I never pressed W. Can you revert it pressing W, because each time that happens I have to go down the object outliner and toggle venera
Also check duplication setting of the object. I copied a part of existing mesh and separated the copied part to a new mesh. After doing this, Duplication setting for this new object was set to "Group". I changed it to "None" and the object finally appeared in rendered view.
I wasted an entire morning trying to figure that one out. If anyone knows what these duplication setting are about and how they affect rendering, I think an expansion of this answer is in order
Alternatively, next time you can check to see if anything has been disabled from being rendered. Just bring up the Outliner and look to see if the camera beside it is grayed out. I myself sometimes hit this by accident sometimes.
The shortcut to do this is Ctrl + H to turn rendering off.
Ctrl+Alt + H to turn it back on.
The other two are the eye and the cursor which means an object is invisible and disabled from being selected respectively.