Command entry:Menu bar
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Create
The Create menu provides a way to create geometry, lights, cameras, and helper objects. It is organized into various submenus.
Interface
Standard Primitives 
Extended Primitives 
AEC Objects 
Compound 
Particles 
Patch Grids 
NURBS 
mental ray 
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Shapes 
Extended Shapes 
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Lights 
Cameras 
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Helpers 
Space Warps 
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Forces 
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Deflectors 
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Geometric/Deformable 
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Modifier-Based 
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Particles & Dynamics 
Systems 