Chameleons present exceptional challenges in what materials you may safely use and the way you design the enclosure. There are several varieties of enclosures available on the market that may be used to house chameleons.
Smallest Chameleon Discovered on the rainforest floor of Nosy Be Island off the north-west coast of Madagascar, the tiny dwarf chameleon (Brookesia minima) is the smallest of the chamaeleonidae family. via [wiki]
A tiger mother lost her cubs from premature labor. Shortly after, she became depressed and her health declined sharply. So they wrapped up piglets in tiger cloth & gave them to the tiger. The tiger now loves these pigs & treats them like her babies.