S is for Snake
The snake is vaguely modelled after the Garter snake (with different colors, obviously). It is once again somewhat difficult to build, with all the curvatures. Prepare to be patient with this model and glue segment for segment, making sure that each part is solidly sticking before moving on to the next one.
You will find the other 25 letters of the papercraft alphabet here.
Here is the template as a PDF file.