Wings are a long-standing symbol of freedom, protection and spiritual transcendence, often linked to angels, guardianship or loss and remembrance. A single wing rather than a pair can suggest something incomplete or in transition, or simply read as a graphic design choice. People choose this design for religious meaning, memorial tributes, or purely for the visual appeal of feather detail.
Where it sits
This tall, narrow, curving shape follows the line of a side rib, spine, forearm or thigh well, since it tapers from a wider top to a narrow feathered point. It would also work wrapped around a calf or upper arm where the curve of the limb echoes the wing's natural bend. Sizing it down significantly would blur the layered feather texture and stippled shading in the mid-section.
Making it yours
Ask an artist for any of these.