Help

Controls:
?: Show/hide this help.
F: Flip object over or turn to next side.
R: Roll/flip object to show random side.
S: Shuffle.
G: Group into a stack.
Hold G+Drag: Fan out selected objects.
Z: Examine object.
Shift+Z: Examine stack of objects.
Ctrl+Z: Undo.
Ctrl+Y or Ctrl+Shift+Z: Redo.
Number+Click: Draw N objects from the top of a stack.