This papercraft is a classic Knuckles the Echidna, a video game character who appears in the Sonic the Hedgehog series, the paper model was created by João Vieira. The finished model stands about 17 cm tall.
There are other three versions on the site: Knuckles the Echidna Papercraft, Super Smash Bros. Brawl (SSBB) - Knuckles the Echidna Papercraft and Ver.3.
About this Paper Craft:
Size: 17 cm
You can download this papercraft template here: Sonic the Hedgehog - Classic Knuckles the Echidna Free Papercraft Download