3-piece Golden Snitch with wings. Check out the instructable for more information.
http://www.instructables.com/id/3D-Printed-Golden-Snitch/
If you want the wings in transparent plastic like the picture, check out the files on Shapeways.
https://www.shapeways.com/shops/DAG
The basic snitch is 1" and the Lifesize is 1.5" to resemble to movie version.