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Pittsburgh Glass Center



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Borosilicate Glass Flameworking Fundamentals -- Solid & Hollow

$1,000 MEMBER PRICE: $1,000

with Tim Drier

Calendar Next available session starts Jun 22, 2026 at 9 am, runs for 1 week

In this five–day class we will explore fundamentals and techniques for working with borosilicate glass. We will make small marbles, animals, and hollow bottles as we build on the basics of manipulation and addition of hot glass in the flame. We will round out this class by exploring surface design with color rod and frit designs for getting that artistic look that is an exciting addition to clear rod and tubing.

Torch set up and adjustment will be covered as well as home studio design/safety, regulators, ventilation, and oven selection.

All levels of experience are welcome to this class.

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 Tim Drier at https://www.instagram.com/driertim/?hl=en

Building Your Tool Box

$1,000 MEMBER PRICE: $1,000

with Nate Cotterman & Adam Holtzinger

Calendar Next session starts Jun 22, 2026 at 9 am, runs for 1 week

This five-day class will focus on skill building through repetition of technique. We will work through simple forms that can be used as building blocks for many complex ideas and designs. We will address everything from the arrangement of your bench and how you move through the shop, to starting and finishing your piece with accuracy and intention. We will use drawing and calipers to pre-visualize our ideas prior to going into the shop. Color techniques will be covered as skills develop, but this course will mainly focus on blowing glass accurately and efficiently and being able to repeat the process to get desired results.

This class welcomes those with some glass experience and the desire to enhance their skillset. Those interested should know how to gather and the basics of blowing glass.

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 Nate Cotterman at

Full Course

Explore Coldworking!

$1,000 MEMBER PRICE: $1,000

with František Janák

Calendar Next session starts Jun 29, 2026 at 9 am, runs for 1 week

With 60 years of experience and practice in the field of coldworking, František hopes to pass on the vast knowledge that he has acquired. He is coming from Czechia where coldworking has earned a long and strong tradition. In this class you will learn a step-by-step process to make a small glass sculpture from a solid block of glass and decorative, rich cutting to make patterns on blown vessel blanks. Together we will build a strong foundation for professional craftsmanship. The class will cover multiple approaches to shaping, sculpting, engraving, grinding, and polishing glass.

You will also learn how to assemble components using Ultraviolet Epoxy and properly set up and use different machines like horizontal flatting mill, vertical lathes, diamond saws, and belt sanders. With each machine there are specific and different grinding, smoothing, and polishing tools, materials, and processes. These tools include original Czech-made diamond, stone, and resin wheels. You will also be provided with information on how to design a perfect professional cold shop, including the necessary equipment.

No previous coldworking experience is required, although intermediate coldworkers are very welcome and may learn more than they have ever expected.

All students are welcome! Intermediate and advanced students will also be able to learn new skills and hone their existing skills.

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.

Full Course

Fires of Creation: A Journey in Beads, Chains, and Fusion Spark Design

$1,000 MEMBER PRICE: $1,000

with Ghislaine Sabiti

Calendar Next available session starts Jun 29, 2026 at 9 am, runs for 1 week

This class introduces students to the fundamentals of flameworking with borosilicate glass chain fusing. Learn to create colorful, expressive glass beads by mastering torch safety, shaping, and surface decoration techniques. Explore the process of making strong, artistic glass chain links using methods such as the parallel rod technique and surface texturing. Perfect for beginners and intermediate flame workers, this class offers hands-on practice and creative exploration to build your skills and confidence in glass jewelry making.

Discover the vibrant world of glass art in this hands-on, multi-session class where creativity meets craftsmanship. Whether you’re a beginner or looking to build intermediate skills, this immersive course offers step-by-step guidance to create stunning glass jewelry from creative patterns, chain, and fusing.

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 Ghislaine Sabiti at www.ghislainesabiti.com

New Beginnings in Hot Glass

$1,000 MEMBER PRICE: $1,000

with Jon Sirockman

Calendar Next available session starts Jun 29, 2026 at 9 am, runs for 1 week

This is an introduction to glassblowing, no prior experience in the hot shop is needed! We will learn the basics of gathering glass independently of the instructors, moving through the studio, shaping, and reheating the glass to create glass sculptures and vessels that will be solely your own.

We will cover safety and proper use of studio equipment and tools, how to create solid shapes, and then move into breathing life into the glass, concentrating on simple drinking vessels, and the basics of shaping more advanced pieces. This five-day class will set the foundation for you to take more advanced classes in the future.

This class is for beginners who have no experience in the hot shop. If you have had some or limited experience, that is alright. We will be using teambuilding and skill drills to establish a solid foundation in glass.

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 Jon Sirockman at https://www.instagram.com/sirockman_glass/?hl=en

Pâte de Verre: New Approaches to an Ancient Technique with Tali Grinshpan

$1,000 MEMBER PRICE: $1,000

with Tali Grinshpan

Calendar Next available session starts Jun 29, 2026 at 9 am, runs for 1 week

Experiment and explore non-traditional methods of working with Pâte de Verre in this five-day class. You will experiment and learn how to create a wide range of objects without making plaster silica molds. We will make both flat and three-dimentional objects, investigate different possible results, and discover how to achieve artistic and aesthetic goals using glass paste.

We will explore different possibilities of working with this medium, both on its own and in mixed media. We will test combining other materials like metals and botanicals. And lastly, we will discuss firing schedules as well as finishing and coldworking options.

This week will be filled with experimentation, fun, and discovery.

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 Tali Grinshpan at www.taligrinshpan.com

Foundations of Goblet Making

$1,000 MEMBER PRICE: $1,000

with Anthony Toomey

Calendar Next available session starts Jul 6, 2026 at 9 am

In this five-day class we will explore the foundations of goblet making in the Venetian style. We will start with the most fundamental ideas of cup making and steadily grow in complexity throughout the class. From a simple tumbler to larger ornamental goblets. We will focus on working and directing a team, understanding the importance and roles of gaffer/assistants, and the timing and process of assembling cups in an effective manner.

 

This class is best suited for individuals with some experience in glass that are interested in learning about goblet making in the Venetian style. Students should be able to gather effectively and understand the basics of glassblowing.

 

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 Anthony Toomey at anthonytoomeyglass.com

 

Make It Move: Kinetic Flameworking

$1,000 MEMBER PRICE: $1,000

with Kit Paulson

Calendar Next available session starts Jul 6, 2026 at 9 am, runs for 1 week

In this five-day class we will delve into the world of moving parts. We’ll begin with introductory flameworking details including hot seals, cold seals, and how to turn. Then you can expect many different types of chain (the simplest moving part) leading into the construction of simple mechanisms to make glass move. Bridging, kiln shelf drawing, and gear construction will be addressed.

Bring your sketchbook, compass and straight edge and get ready to build.

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 Kit Paulson at kitpaulsonglass.com





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