The armor itself is not included as part of u/ColonelDiddles' 3D printing, but the fan has also produced the RECON-class MJOLNIR helmet design from Halo as well. The Hayabusa helmet appears grey ...

Halo 3 introduced alternate armor for players to customize their Spartans’ helmet, shoulder, and body armor with such as the Ninja Gaiden-inspired Hayabusa ... With the UNSC Infinity still ...