(Click on the thumbnails to view larger images)
This took me about half an hour. Don't see the time at the bottom of the screenshots to verify, I had food in that time too..
So, here we go...
1.Beginning with getting images in the workspace background and tracing the outlines:
(Note: I prefer to click photograph because I want to save myself from drawing models to scale and I don't want to dirty my hands working with clay.
PS: Spiderman was made out of a clay model. Think this gives an entirely new meaning to the philosophical saying "We are all mortal clay.")
2.Making out further details. Involves lots of patience and labour:
3.Taking a perspective look at it. A good feeling. You feel almost professional:
4.Subdivided meshes. Brilliantly smoothed. Excellent for NURBS modelling:
5.The mesh looks like a great mask by this time:
6.Trying to place an eyeball: