Geometric volumes

Reproduction of an ancient Corinthian helmet entirely made and patinated by hand.Dimensions:Height (model without marble base): 8 cm (3,14").Weight (model without marble base): 0.3 kg (0,66 lb).-------------------------------Height (model with marble base): 13 cm (5,11").Weight (model without marble base): 0.5 kg (1,10 lb).Materials available for both...