I started the crab by building eyes in a similar way to the eyes we made in a tutorial. A sphere for the eye with the hemisphere increased a little to make the black pupil. This method allows the pupil to be dilated and contracted easily. The eyelids are also spheres which are slightly larger, and then cut in half. An FFD box spacewarp is used to manipulate the shape of the eyes while retaining the ability for the eyes to be opened and closed just by rotating them. The stalks are then cylinders with a bend modifier.
The body will be made by starting with a small plane and extruding the edges until the rough shape is formed. It will be completed with a symmetry modifier and turbosmooth.
After looking at the CAT tools in 3DS Max, I found that there is a crab rig already, which is handy! I put this into the workspace and scaled it to my model. With this, I can use it to get the proportion and angle of the legs looking right.
When animating, it is important to have the eyes always focussed on something on or off screen, so I research the look-at constraint.
Binding the eyes with this small sphere as a look-at constraint makes the eyes following the sphere wherever it is. This will help make the crab more expressive.
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