Fanwork

The chapel — a soaring, slender-shafted building, with fanwork upon its roof and an apse deep and pointed — seemed full of light, withal it was hung with black velvet.

Source: wiktionary

There were bits of a vaulted roof with panelled fanwork and moulded ribs, recalling the Henry VII Chapel at Westminster.

Source: wiktionary

Now the Grand High Witch removes her mask and wig: A hideous beak and a decrepit bodice of skin and bones, like the stone ceiling fanwork in a Gothic chamber, her blotchy scalp a moonscape fermenting cobwebs.

Source: wiktionary

He smiled again, easily, dimples creasing his cheeks, and a tiny fanwork of lines crinkled the corners of his dark eyes.

Source: wiktionary