Fine Arts and Art Installation Design Leaf Tall Vase by Pierre Foulonneau Nature materializes strongly in the Leaf Tall vase created by French designer Pierre Foulonneau. The vase associate crystal and metal in a poetic design where a golden leaf sits in a transparent pedestal. The results is a vase bearing an unalterable natural presence, even when empty. And, during flower season, the metal part acts as a receptacle for greeting and showcasing fresh flowers.