Sci-Fi Helmet /N_24/

Hi ! At the begining , I have made a first concept on zbrush on which I painted (you can find it here https://nathanbraye3d.artstation.com/projects/zAZXAw)
High poly sculpted in Zbrush from scratch, Mid poly start in zbrush and finished in 3dsMax, baked and rendered in Marmoset, textured in Substance Painter.