Superhero keychain

Description 🛠️ Superhero Keychain Set – for 3D Printing This set of four keychains features iconic Iron Man, Superman, Batman, and Spider-Man, reinterpreted in a compact, monochrome style perfect for 3D printing. Each design is optimized for crisp rendering even on entry-level printers, with clean geometries and calibrated thicknesses to avoid supports and ensure stable printing.