Select the 3D transform tool

Q

Switch the 3D transform tool between position-only and universal

Comma (,)

Switch the 3D transform tool between rotate-only and universal

Period (.)

Switch the 3D transform tool between scale-only and universal

Slash (/)

Set 3D View to Active Camera

Control-A

Set 3D View to Perspective

Control-P

Set 3D View to next camera

Control-C

Reset the 3D camera view

Control-R

Create a 3D Group of the selected objects

Control-D

Shift-Command-Apostrophe (’)

Switch the 3D grid on and off