Not only is this functional, but it is a updated version of all the spider templates. The other templates did not say how to glue the legs on ending up with an awkward spider with misplaced legs. You can ignore the mechanical stuff and just make the spider without any moving parts..
1. Click on the papercraft design image.
2. Make sure it has not been resized by your browser (you might need to click the image again).
3. Print using your browser's Print function.