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 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 and drag the mouse Hold down the Control key and pan on the Magic Mouse	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 all	⌘ A	⌘ A
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
Deselect all	esc	esc
Delete	Press the Delete key	Press the Delete key

*Images are from Apple