NEW SUPPORTLESS VERSION: https://makerworld.com/en/models/63588
Tree supports optimized for a several material reduction
The other parts, for reasons of space on the plate, are available among the attached files (click on “Download raw model files”)
Helmet visor: https://www.amazon.it/gp/product/B078YYQVWN/ref=ox_sc_saved_image_10?smid=A3R2BN8GAL312Z&psc=1