Why are you anxious about clothing? Consider the lilies of the field, how they grow. They don't toil, neither do they spin,

And why take ye thought for raiment? Consider the lilies of the field, how they grow they toil not, neither do they spin

Human beings would be more like the lilies of the field, who toil not, neither do they spin.

So for instance, you could develop super efficient roof structures based on giant Amazon water lilies, whole buildings inspired by abalone shells, super lightweight bridges inspired by plant cells.