Here’s a cheat sheet that’ll show you shortcuts and basic gestures for the mouse and trackpad. If you're using a mouse, make sure secondary click (right-click) is enabled. If you're using a trackpad and you prefer to tap, not press down, you can register taps as clicks.

Navigation


Rotate camera	Hold down the Shift key, secondary click (or right-click), and drag the mouse Drag the mouse while holding down the Shift key and the middle mouse button Hold down the Shift key and pan with two fingers or one finger on the Magic Mouse	Hold down the Shift key and pan with two fingers on the trackpad
Move camera	Secondary click (or right-click) and drag the mouse Click the middle mouse button and drag the mouse Pan with two fingers on the Magic Mouse	Pan with two fingers on the trackpad
Zoom camera	Scroll with mouse wheel Hold down the Control key, right-click, and move the mouse up and down	Pinch in or out with two fingers on the trackpad
Zoom to face	Hover over a face and press the Space bar	Hover over a face and press the Space bar Double-click a face with two fingers on the trackpad
Reset view	⌘ 1	⌘ 1
Rotate 2D view by 90 degrees	Click the right or left arrow above the Orientation Cube	Click the right or left arrow above the Orientation Cube
Switch to front view	⌘ 2	⌘ 2
Switch to back view	⌘ 3	⌘ 3
Switch to top view	⌘ 4	⌘ 4
Switch to bottom view	⌘ 5	⌘ 5
Switch to right view	⌘ 6	⌘ 6
Switch to left view	⌘ 7	⌘ 7

Selection


Select single part	Click the part	Click the part
Select full object	Double-click the object	Double-click the object
Select multiple parts	Hold down the Shift key and click each part	Hold down the Shift key and click each part
Select area	Click anywhere in the design space and drag to the right or left	Click anywhere in the design space and drag to the right or left
Select all	⌘ A	⌘ A
Deselect all	esc	esc
Cycle through selection filters	⇥	⇥
Filter selection for bodies only	B	B
Filter selection for edges only	E	E
Filter selection for faces only	F	F
Delete	⌫	⌫

Before you can use the following, first click Sketch in the main menu.


Start sketch	Click anywhere in the design space, using the mouse	Click anywhere in the design space, using the trackpad
Finish sketch	⏎	⏎
Finish sketch and remove last-placed point	⌫	⌫
Add fit point to spline	Long-click anywhere on the spline, using the mouse	Long-click anywhere on the spline, using the trackpad


Update 2D drawing			⌘ R		⌘ R


Undo	⌘ Z	⌘ Z
Redo	⇧ ⌘ Z	⇧ ⌘ Z
Execute last command	Left arrow key	Left arrow key
Search for commands	⌘F Start typing on the keyboard	⌘F Start typing on the keyboard

*Images are from Apple