Witch-King of Angmar 3D Printed Costume

Gauntlets: https://www.thingiverse.com/thing:3200722
Vambraces/Bracers: https://lindydesignlab.com/product/witch-king-armor-3d-model/
Sword: https://www.thingiverse.com/thing:3219205/
Helmet: https://www.thingiverse.com/thing:2781268
Shoulder, upper arm, and lower leg (and alternative vambraces, though they may require some model manipulation): https://www.thingiverse.com/thing:2613924/