Preparing the 3D view…
Orbit
⌥ + dragPan
Space + dragPan
Wheel or 2-finger dragZoom
⌘ + wheel or pinchSwitch floor
Page Up / DownMove
DragTurn
Drag ringTurn 15°
Q / ETurn 90°
⇧Q / ⇧EArrange / Resize
W / RDuplicate
DRemove
DelMeasure
M, then dragSave
⌘SPreparing the 3D view…