A Golden Snitch that you conceal and can unscrew your own secret treasure interior. Blended and mashed in Tinkercad. I painted them with some fine gold acrylic paint and printed out about a half dozen of these in yellow. The spherical component has an outer diameter of ~2.4cm.
Resolution: 0.2mm layer height
This print has supports built right in so it shouldn't need additional supports. It does need great adhesion to the construct plate for the wings though.
Print in gold in case you have it, paint afterwards if you do not. Remove of supports. Clear the interior of both halves of any print malfunction blobs out and be sure it screws on correctly. Such errors are more likely if your printer does not manage overhangs nicely or will cobweb. Paint if required. Use heat like a hairdrier to gradually warp the wings into the curved shape that is desirable. Use a little adhesive on the surface and interior to repair the wings set up.