Despite the size and the fact that it's a good old metal giant, the different parts fit surprisingly well, which makes quite easy the preparation. Still had to fill some gaps here and there with green stuff.
Given the weight of the model, I've decided to glue it to the base, which would allow me to use a painting handle:
First, the 75x50 base:
And then the legs:
Below the references I've used for the skin:
And the preparation of the next parts:
And the first steps of painting:
The plan is to complete it by the end of the month...