Great file. Printed on my Artillery Sidewinder X1 as a single print helmet. Endnotepad PLA+, 220/70. Sanded, filled with plastic wood filler and Bondo glazing putty, filler primer and a base coat of Rustoleum Semi-gloss Black paint-primer. Finished off paint with Rustoleum Bright Metallic Silver. Visor fabricated with a piece of 1mm acrylic, Gila window tint and secured with double sided tape.