This is a 1st Century Roman helmet modeled to be a ceremonial piece for Marc Antony.

This helmet claimed 1st place at a 3D printing finishing competition and was made in 316 stainless steel and clear SLA plastic resin. All hand dyed and painted to final finish.

The entire helmet was modeled in Blender and consists of 13 seperate files.

Check out this video showing the entire build process:

https://www.youtube.com/watch?v=xH5TcMxH6Mk&t=16s

Or process pictures found here:

https://www.customprototypes.ca/single-post/2018/04/08/Metal-3D-Printing-Like-Never-Seen-Before-Full-Construction-of-a-Roman-Helmet