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Pittsburgh Glass Center



Casting

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Deep Relief Dry Plaster Casting

$1,050

with Sean Hennessey

Calendar Next available session starts Aug 3, 2026 at 9 am, runs for 1 week

Discover an easy, versatile, and economical way to create bas relief and deep relief kilnformed glass. Using found objects and fabricated forms, you’ll press originals into plaster powder to create backgrounds and foregrounds, then slump sheet glass into your molds. Working with Tekta Clear Bullseye glass and glass paints, you’ll learn glass cutting, moldmaking, and the kiln schedule for this technique. With minimal coldworking, you’ll use a wet tile saw and wet belt sander to finish your pieces.

This remarkable and nearly waste-free casting method offers endless possibilities for fine art, public art, and architectural applications.

This five-day class is suitable for beginners or experienced glass sculptors, and all skill levels.

Evening Open Studio

Studios are open until 9:30PM for students to practice. Depending on the class, process, and techniques, this time might be highly suggested by instructors for students to use. In other classes, this time might be considered optional.

For more information, please review Summer Intensives.

Learn more about Sean Hennessey at Sean-hennessey.com

Introduction to 3D Print Casting

$540
Calendar Next available session starts Sep 24, 2026 at 9:30 am
This course introduces the integration of digital fabrication and glass casting processes. Students will learn foundational techniques in 3D scanning, modeling, and printing alongside mold-making strategies for translating digitally produced forms into cast glass objects. Emphasis is placed on material compatibility, mold construction, casting methods for complex three-dimensional forms, and finishing techniques.

As an introductory project, students will scan their own head produce a 3D-printed model, and cast a scaled glass bust, providing a comprehensive overview of the digital-to-glass workflow.

The course welcomes students new to either digital fabrication or glass, as well as those seeking to expand existing studio practices.

Class does not meet the week of October 11-17th, 2026.





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