(when drawing or item is selected) Exit mode

(while item is selected) Delete items

(in Camera or 3D view) Move camera or 3D view

(while item is selected) Move item 1 step

(hold when drawing or moving stuff) Disable snap

Rectangle select

(while tracing background image) Hide/show drawing

Pan (move canvas)

Center view

Rotate selected item 5º

Rotate selected item 15º

Save

Undo

Redo

Draw wall

Draw room

Draw surface

Add text

Draw dimension

Draw line

Tape measure

Show/hide minimap

Switch between floors

Copy/paste design

Copy/paste furniture