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The Art of Concrete – Modeling and Cast Sculpture Workshop

Tuition: $750

Instructor: Treacy Ziegler
Dates: July 24-28, 2024
Times: 9 am-4 pm daily, with a one-hour break for lunch
Levels/Ages: All levels welcome; ages 18+
Location: Casting Studio


This 5-day workshop will teach students how to cast concrete from a plaster/rubber mold, how to model concrete without the use of a mold, and how to incorporate both of these approaches within one art project. The student will learn various formulas of mixing concrete for different modes of working, how to finish the concrete, and how to incorporate texture and color into their concrete sculpture. The instructor will also demonstrate how to work in concrete on a budget. 

Each student is encouraged to bring a plaster/rubber mold to class with additional sketches for a free-modeled piece. Students can either create two projects (one from a mold and one free-modeled) or they can create one project incorporating both casting and modeling into one sculpture.  

Supplies: Please consult the instructor supply list to confirm and/or obtain the items you will need for the workshop.

Some materials and tools will be provided as part of the tuition fee.

Molds will be provided to students upon request.

Terms: Please review our Terms, Conditions, and Policies prior to enrollment.

Artist Bio

Treacy Ziegler is a practicing artist who has exhibited her works in Canada and the United States, and specializes in painting, sculpture, and printmaking. She is the recipient of two Puffin Foundation awards for Art in Social Justice, the Constance Saltonstall Grant, Community Art Partnership grants, the New Hampshire Percent Grant for the Arts, and numerous other awards. Ziegler has had several solo museum exhibitions, including at the Herbert F. Johnson Museum at Cornell University, Ithaca; the Arnot Art Museum in Elmira, New York; the Morris Graves Museum of Art in Eureka, California; the Massillon Museum in Massillon, Ohio, and the Erie Art Museum in Erie, Pennsylvania. Ziegler received a Certificate of Fine Art from the Pennsylvania Academy of Fine Art in Philadelphia and, prior to this, a MSW from the University of Pennsylvania and a BS in mental health from Drexel University. Ziegler is currently represented by various galleries on the East Coast.

For solo exhibitions at the Noyes Art Museum, Erie Art Museum, and the Massillon Museum, Ziegler created a series of bronze and paper cast animal sculptures, the latter created from letters by prisoners. Ziegler is the volunteer art director for the Prisoner Express (affiliated with Cornell University), a distance learning program for adults incarcerated throughout the United States. Through this project, Ziegler receives about 20,000 letters annually, written by prisoners. As part of her work with the US prison system, Ziegler participated in the 3-year traveling exhibition, Marking Time, Art in the Age of Mass Incarceration, presented first at MoMA PS1 in New York City.

Learn more

Essays on art and prison:

Prison projects: