Fan a set of images like a deck — learners tap each one to bring it forward and explore.
"Under fan" shows the caption below the deck only when a card is opened.
Spread is the angle between each card in the fan.
Scales cards to fill more or less of the frame. Applies to preview and export.
Set width to 0 for no border.
Set to 0 for square corners. Hotspot circles stay round.
Live Preview: dimensions in the live preview are not always to scale.