A student friend recommended this stuff to me. I'm planning on using it in my 3 point setup which will be attached to my headphone/microphone headset.
It's granular plastic material that becomes hand mouldable at 62C. You can hand form practically any object and at room temperature, it's as tough as nylon.
http://www.mutr.co.uk/catalog/product_info.php?products_id=550
Apparently, it's biodegradable on contact with air, so maybe painting it with an oil based paint might be in order.