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Book spine as article reading progress
The article's side rail renders a book spine seen edge-on, split into gatherings whose thickness mirrors each section's real length; as you read, gatherings tint from the top and a marker tracks the exact point, while pointing at or clicking a gathering reveals its title or jumps straight to it.
See it live and copy its promptWhat you can adjust
- Spine width
- Number of sections
- Read color
- Unread color
- Relief
- Show titles on hover
How this catalog works
Every component ships with its reproduction prompt: the text you paste into an AI builder to get exactly this piece. The values above are editable, and the prompt you copy carries the ones you chose, so what gets generated is what you were looking at.
