The materials that the people of Burkina Faso uses to make masks are leaves, plant fibers, porcupine quills and feathers. They were traditionally created for funeral ceremonies and to make natural spirits visible to the community and are thus open to communication.
It is just creating sculpture heads (mainly) using terracotta .
I'm not the best at analogies, but I think square:cube would be one
Sonoko Sasaki values a sense of the seasons in her work.
Hope this helps!