How do humidity fluctuations cause expansion and contraction in eucalyptus figurative sculptures?

Eucalyptus figurative sculptures, like all wooden artworks, are highly sensitive to changes in humidity. When the air becomes more humid, the wood absorbs moisture from the environment, causing it to expand. Conversely, in dry conditions, the wood loses moisture and contracts. This repeated cycle of expansion and contraction can lead to structural stress, resulting in cracks, warping, or even splitting over time.

The porous nature of eucalyptus wood makes it particularly susceptible to these changes. Artists and collectors must take preventive measures, such as maintaining stable humidity levels or applying protective finishes, to preserve the integrity of these delicate sculptures. Understanding this process helps in appreciating the challenges of working with natural materials in art.