Glass Blowing Classes in San Francisco, CA

Coldworking helps make any form of glass shine. By cutting, grinding and polishing, glass pieces can be elevated to their fullest potential or salvaged if something went wrong somewhere else. Public Glass offers classes in the core skills as well as specialty classes in sandblasting, etching and more. 

Take a first step into the world of hot glass with this 3-hour class! You'll learn how to manipulate molten glass, add color and shape it into a beautiful piece of solid glass art.

This four-day course is a condensed version of Glassblowing 2A. The content is the same, but because you will meet on four consecutive nights it will help accelerate the learning process.  You can continue to build upon the lessons of the previous day without needing to do a recap! If you're into quick learning, this is the class for you! Prerequisite: ...

This course is designed to further one’s understanding, through practice; the skills, techniques, and forms executed in 2A.  Students will expand their vocabulary further with optic molds and color and take time to address any individual problems or difficulties encountered in glassblowing technique or the execution of a piece.  Students...

This class will compel you to explore intensively the refinement of basic shapes. The cylinder and bowl will be reviewed, and the shaping and application of handles will be introduced through the instruction and practice of pitchers.  The roles of "gaffer" and "assistant" will be emphasized and experienced by everyone. You will gain understanding...

Continuing from Glassblowing 1A, the focus of this five week course is dexterity and proper usage of heat and tools, with an introduction to color and bit application such as handles. Prerequisite: Glassblowing 1A, Glassblowing 1A Condensed or equivalent

This three hour cup making course will introduce you to the basics of creating a blown glass vessel! This class is designed for those who have already taken a Play With Fire or Team Building Workshop, and will build upon the basics taught through paperweight making. You will learn how to tackle the various unique challenges that arise when...

Learn the basics of hot glass in this closely supervised, team-driven five week course, studying the effects of heating, cooling and gravity. Students will learn the basic techniques involved in making solid and blown glass.  Students will be introduced to studio safety, hand tools, equipment and hot working. The class covers body posture, gathering,...

In this introductory class, students will learn the basic techniques involved in making solid and blown glass. Students will be introduced to studio safety, hand tools, equipment and hot working.  The class covers body posture, gathering, shaping and tool usage.  At the end of six hours, each student will have had the opportunity to manipulate...

Learn the basics of hot glass in this closely supervised, team-driven course, studying the effects of heating, cooling and gravity and making paperweights and drinking glasses.  This class meets on three consecutive weeknights, as a condensed version of our 5-week class.

Continuing from Glassblowing 1A Condensed, the focus of this three-day condensed course is dexterity and proper usage of heat and tools, with an introduction to color and handles. Prerequisite: Glassblowing 1A, Glassblowing 1A Condensed or equivalent

Create a unique object to be cast in glass! In this one-day workshop we will create a small object to be cast in clear glass. Once our object is created we will hand build a mold to become our casting vessel. We will calculate the amount of glass needed to fill the mold and prepare it for an overnight firing. Your finished piece will be polished and...

Celebrate love in all its forms with an experience you'll remember forever. We'll teach you how to sculpt solid glass hearts in this fast and fun 30 minute workshop that's just in time for Valentine's Day. After we gather molten glass you'll add a dash of color and sculpt your heart freehand, making a creation that's perfectly unique to you! Each...

This course is designed to further one’s understanding, through practice; the skills, techniques, and forms executed in 2A. Students will expand their vocabulary further with optic molds and color and take time to address any individual problems or difficulties encountered in glassblowing technique or the execution of a piece.  Students will...

This workshop will introduce you to the art of glassmaking with a special project for Valentine's Day. Learn to work with hot glass and shape it into a unique heart. Make this holiday special by giving a handcrafted gift from your heart!