TWELVE CARDS. ONE TRACEABLE TRANSFORMATION.
Riffle Trace
Follow a numbered card as two piles become one. Pause the movement, inspect each insertion, and see exactly where the order leads.
The tabletop
Fixed-rule demonstration
The card order still works here
3D is unavailable on this device. Start, Pause and Step still update the numbered piles below, and you can copy or save the order note.
Drag or touch the tabletop to orbit. Arrow keys also turn the view.
Cards 01–06Cards 07–12Tracked / retained
Order, made visible
Top → bottom · tap a number to follow itRetained cards
Your order note
The note follows the displayed arrangement. Completed rounds remain listed.
Last saved trace
Only saved on this browser. No account, upload or external processing.