Fountain of four seasons
Location Iowa State university, USA
conservator Conserve art llc, francis miller pa aic
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Created in 1941 by sculptor Christian Petersen, the Fountain of the Four Seasons has been one of Iowa State University's most beloved landmarks for over 80 years. When Iowa's harsh winter climate took its toll on the original terra cotta elements, the university sought a manufacturer capable of replicating them with precision, matching not only the colour and clay body of the originals, but the hand-formed quality that makes Petersen's work so distinctive. No US-based company was willing to take it on.
Working in close collaboration with conservation specialists Conserve ART LLC, we developed a range of colour-matched, through-body clay samples to find the closest possible match to the originals. High-resolution scans of the relief sculptures were 3D printed in fine detail, and we pulled plaster moulds directly from the prints, meticulously replicating each irregular cap, spill, and relief panel, including their varying curvatures and hand-tooled textures. Conserve ART's conservator travelled to our Blackburn factory to participate in the final hand finishing, ensuring every unit met the standard of the originals.
The replicas were installed in summer 2025, restoring Christian Petersen's designs to their rightful place, and with a slip-cast clay body built to significantly outlast the originals.
“Christian Petersen created the Fountain of the Four Seasons in 1941 for Iowa State University. The carved limestone and terra cotta artworks for the fountain have been an icon for the university for over 80 years. Unfortunately, given Iowa’s harsh winter climate, the original clay type used in the fabrication of the originals caused deterioration in the fountain setting. In 2023 the original artworks were preserved indoors and a search conducted for a company to fabricate new terra cotta elements. No US based company was willing to develop a color matched, through- body clay and to replicate the hand formed qualities of the originals.
Fortunately, Darwen Terracotta Limited took on the challenge. Located in Blackburn, Lancashire, UK, Darwen Terracotta provided a range of color matched, through-body clay samples based on the originals, allowing for the selection of an excellent, like color. The terra cotta relief sculptures, with fine hand modeling and tooling patterns, as well as the irregular quality of the hand formed caps and spills were replicated through collaboration with Conserve ART LLC. The original relief sculptures were captured with high resolution scans and 3D printed in minute detail. Darwen Terracotta pulled plaster moulds directly from the prints and made plaster moulds for each irregular cap, meticulously matching the varying curvatures and angles. Conserve ART was graciously invited to the UK facility to participate in the final hand finishing, matching the final profiles and textures of each unit.”
— Francis Miller, Conservator, Professional Associate AIC, Conserve ART LLCPhoto Credit @Sydney Marshall, University Museums, Iowa State University
Photo Credit @ Chris Gannon
Photo Credit @ Chris Gannon
Photo Credit @ Chris Gannon
Photo Credit @Sydney Marshall, University Museums, Iowa State University
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