AI CSS Animations

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Thread Spool Winding

A wooden spool turns while thread winds on through a guide eye that traverses side to side; the cross-wound layer scrolls with the spin and the flange rims turn faster than the barrel.

Also known as: thread spool animation css, bobbin winding loader, sewing loader, yarn spool spinner.

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Customizing this loader

  • Color: set --ldr-color on the element or a parent. Currently previewing #3b82f6.
  • Size: set --ldr-size. Every dimension in the snippet is derived from it. Currently previewing 64px.
  • Speed: change the duration on the animation shorthand. Delays on the children are relative, so they keep their rhythm.
  • Accessibility: the root carries role="status" and an aria-label so screen readers announce the wait. The reduced-motion rule at the end slows the animation for users who asked for less motion.

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