The default ten presets are only the beginning. Because Photoshop CC 2015 accepts standard and Collada (DAE) files, you can import thousands of free or paid 3D meshes to use as presets.
When working inside the 3D workspace, Photoshop displays a low-resolution interactive preview to save processing memory. To generate clean textures, soft shadows, and accurate reflections, you must run a full render. Finalize your camera angle using the 3D camera tools.
Because CC 2015 is an older version, it has quirks. Here are fixes for the top three issues: