In Russia there is a company that produces various prizes, cups, gifts and awards. Their products are worth seeing. Let's see today how they make such a guy. It's a bodybuilding prize, in fact.
It should be noticed that the guy is not from bronze. Such kind of bronze replica. Plastic guy painted like bronze.
A sculptor has to make a model like this first. It's a plaster model of a future figure.
It will serve for a cast making. From technical plasticine they make a secant surface.
It's done to make the cast consist of two separating parts letting the model out if opened.