Modelling a Lego Head

Does this look Like a Lego Head to You? - A Lego Head

Set up in millimeters and select the line tool and draft according to specifications but do not need to be specifically accurate until you move vertices to correct profile and places in parallels in the absolute world.

Now lathe the line profile. In line level, select the vertices of the outside of the head and fillet.
Save and create a new layer and label 'head'. Make provisions for the new layers to follow ; arms, legs, body, etc...