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In Photoshop CS6, 3D functionality was part of Photoshop Extended. All features in Photoshop Extended are part of Photoshop. Photoshop does not have a separate Extended offering.
Photoshop lets you position and animate 3D models, edit textures and lighting, and choose from several render modes.
Meshes
Provide the underlying structure of a 3D model. A mesh is often visualized as a wireframe, a skeletal structure built from thousands of individual polygons. A 3D model always has at least one mesh, and may combine multiple meshes. In Photoshop you can view meshes in a variety of render modes, and manipulate meshes independently of each other. While you can’t alter the actual polygons in a mesh, you can change its orientation and transform it by scaling along different axes. You can also create your own 3D meshes, using pre-supplied shapes or by converting existing 2D layers. See 3D Mesh settings.
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To edit the polygon mesh of the 3D model itself, you must use a 3D authoring program.
Materials
A mesh can have one or more materials associated with it, which control the appearance of all or part of the mesh. The material in turn relies on subcomponents called texture maps, whose cumulative effect creates the appearance of a material. The texture map itself is a 2D image file that creates various qualities such as color, pattern, shininess, or bumpiness. A Photoshop material can use up to nine different texture map types to define its overall appearance. See 3D Materials settings.
Lights
Types include Infinite, Spot, Point lights, as well as Image-based lights that wrap around a scene. You can move and adjust color and intensity of existing lights, and add new lights to your 3D scene. See 3D Lights settings.
The 3D object and camera tools become active when a 3D layer is selected. Use the 3D object tools to change the position or scale of a 3D model; use the 3D camera tools to change the view of the scene. If your system supports OpenGL, you can also use the 3D Axis to manipulate 3D models and cameras. See Using the 3D Axis.
You can use the 3D object tools to rotate, reposition, or scale a model. While you manipulate the 3D model, the camera view remains fixed.
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For tips about each 3D tool, choose panel Options from the Info panel menu 
, and select Show Tool Hints. Click a tool, then move the cursor into the image window to view tool details in the Info Panel.
A. Return to initial object position B. Rotate C. Roll D. Pan E. Slide F. Scale G. Position menu H. Save current position I. Delete current position J. Position coordinates
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In the Tools panel, click a 3D object tool, and hold down the mouse button to select from the following types:
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Hold down Shift as you drag to constrain the Rotate, Pan, Slide, or Scale tool to a single direction of movement.
Rotate
Drag up or down to rotate the model around its x-axis, or side to side to rotate it around its y axis. Hold down Alt (Windows) or Option (Mac OS) as you drag to roll the model.
Pan
Drag side to side to move the model horizontally, or up or down to move it vertically. Hold down Alt (Windows) or Option (Mac OS) as you drag to move in the x/z direction.
Click the Return To Initial Position icon 
in
the options bar to return the model to its initial view.
To numerically adjust position, rotation, or scaling, enter values on the right side of the options bar.
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For tips about each 3D tool, choose Panel Options from the Info panel menu 
, and select Show Tool Hints. Click a tool, then move the cursor into the image window to view tool details in the Info panel.
A. Return to initial camera position B. Rotate C. Roll D. Pan E. Walk F. Zoom G. View menu H. Save current camera view I. Delete current camera view J. Camera position coordinates
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In the Tools panel, click a 3D camera tool, and hold down the mouse button to select from the following types:
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Hold down Shift as you drag to constrain the Rotate, Pan, or Walk tools to a single direction of movement.
Rotate
Drag to orbit the camera in the x or y direction. Hold down Alt (Windows) or Option (Mac OS) as you drag to roll the camera.
Pan
Drag to pan the camera in the x or y direction. Hold down Alt (Windows) or Option (Mac OS) as you drag to pan in the x or z direction.
Walk
Drag to walk the camera (z translation and y rotation). Hold down Alt (Windows) or Option (Mac OS) as you drag to walk in the z/x direction (z translation and x rotation).
Orthographic Camera (Zoom only)
Maintains parallel lines without convergence. Displays the model in accurate scale view without any perspective distortion.
DOF (Zoom only)
Sets depth of field. Distance determines how far the in-focus field is from the camera. Blur obscures the remainder of the image.
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Animate DOF to simulate camera focusing effects.
In the options bar, numeric values show the x, y, and z position of the 3D camera. You can also edit these values manually to adjust the camera view.
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All preset camera views use orthographic projection.
To add a custom view, place the 3D camera in the desired position using the 3D camera tools, then click Save in the options bar.
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To return to the default camera view, select a 3D camera tool, and click the Return To Initial Camera Position icon
in the options bar.
The 3D Axis shows the current X, Y, and Z-axis orientation of models, cameras, lights, and meshes in 3D space. It appears when you select any 3D tool, providing an alternative way to manipulate the selected item.
A. Selected tool B. Minimize or maximize 3D Axis C. Move item along axis D. Rotate item E. Compress or elongate item F. Resize item
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OpenGL must be enabled to display the 3D Axis.
To use the 3D Axis, move the mouse pointer over an axis control to highlight it, and then drag as follows:
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Available axis controls vary depending upon the current editing mode (object, camera, mesh, or light).
To move the selected item along the X, Y, or Z-axis, highlight the conical tip of any axis. Drag in either direction along the axis.
To rotate the item, click the curved rotation segment just inside an axis tip. A yellow circle appears showing the rotation plane. Drag in a clockwise or counterclockwise circle around the 3D Axis center. To rotate more gradually, move the mouse farther away from the center of the 3D Axis.
To resize the item, drag the center cube in the 3D Axis up or down.
To compress or elongate the item along an axis, drag one of the colored transform cubes either toward or away from the center cube.
To constrain movement to an object plane, move the mouse pointer into the area where two axes intersect, near the center cube. A yellow plane icon appears between two axes. Drag in any direction. You can also move the pointer over the lower part of the center cube to activate the plane icon.