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Hot Shop Classes
In the Hot Shop, students learn traditional Italian-style furnace glassblowing. This is where objects like bowls, vases, ornaments, and paperweights are created.
Hot Shop classes are limited to 8 students. We run classes only when we have more than 3 people registered for the class. When we have more than 4 students, we use 2 work stations with 2 instructors.

For Credit Classes:
Furnace Glassblowing I
Please note: students must register with both SGAA and UA or PCC. Our class tuition is in addition to UA/PCC tuition.
- Session I
- September 13 - November 17 (no break week)
- Session II
- February 14 - April 29 (skip 4/4 & 4/6)
$1,500 (includes individual membership)
20 classes per session (100 hours)
Monday and Wednesday, 8am - 1pm
Jason Marstall with Tom Philabaum
Learn the basics of furnace glassblowing in this semester-long, 100 hour class. Students will begin by learning to make paperweights and progress to blown forms. This course will focus on: design principles, basic skills in working liquid glass, proper tool usage, color application, cold working, and sandblasting. No prior experience required.
Furnace Glassblowing II
Please note: students must register with both SGAA and UA or PCC. Our class tuition is in addition to UA/PCC tuition.
- Session I
- September 14 - November 18 (no break week)
- Session II
- February 15 - April 28 (skip 4/7 & 4/12)
$1,500 (includes individual membership)
20 classes per session (100 hours)
Tuesday and Thursday, 8am - 1pm
William Justiniano with Tom Philabaum
Continue to develop your Hot Shop skills in the Intermediate 100 hour class. Students will have plenty of bench time and continue learning about color theory in glass, color application, and experimentation with complex shapes and forms. Topics will include: cane pulls, goblet design, usages for optic molds, handle application, and color palette. Students will be encouraged to draw inspiration from historical and contemporary sources introduced in class discussions. Prerequisite: Minimum of 20 hours of glassblowing instruction required.
Other Classes (Beginner):
Beginning Glassblowing
- Session I
- September 4 & 11
- Session II
- October 9 & 16
- Session III
- February 12 & 19
- Session IV
- March 5 & 12
- Session V
- April 23 & 30
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Members: $155 Non-Members: $175
2 Saturdays, 12 - 4pm (8 hours)
Faculty Instructor
Beginning Glassblowing is the perfect class for people who have always been curious about glassblowing. This class will teach you the basics of studio safety, proper tool usage, gathering glass out of a furnace, shaping, and adding color. Students can expect to make 1-2 paperweights and 1 blown form. Beginning Glassblowing is a great entry level class.
Month of Sundays
- Session I
- September 5 - 26
- Session II
- October 10 - 31
- Session III
- November 28 - December 19
- Session IV
- January 16 - February 13 (skip 2/6)
- Session V
- March 6 - 27
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- Session VI
- May 1 - 22
Members: $330 Non-Members: $360
12 - 5pm (20 hours)
Faculty Instructor
Month of Sundays is our most popular class and is ideal for the busy professional! Over the course of four Sundays, beginning students will learn the basics of furnace glassblowing, including gathering, color application, and blown forms. Students will progress from paperweights to hollow forms such as tumblers, bowls, and vases. No prior experience required.
Women's Month of Mondays
- Session I
- October 25 - November 15
- Session II
- February 21 - March 14
- Session III
- April 25 - May 16
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Members: $260 Non-Members: $290
5 - 9pm (16 hours)
Faculty Instructor: Jillian Justiniano
This women's only class allows a comfortable environment for women glassworkers to get together and hone their skills. We will start with paperweights and move on to tumblers, bowls, and vases using frit application, optic molds, and color trails. This class limited to 4 students.

Holiday Intensive
- December 26 - 29
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Members: $330 Non-Members: $360
High School Student Special: $315
9am - 2pm (20 hours)
Sunday - Wednesday
Faculty Instructor
This is an exciting furnace glassblowing experience to warm your blood during Tucson’s chilly winter months! Holiday Intensive will cover basic skills in working molten glass and color application. Beginner to intermediate skill levels welcome. This intensive study is perfect for (High School and above) students who want to keep their creativity flowing during winter break!
Skills Clinic
$55 per session (price for members and non-members)
One Monday evening per month, 6 - 9pm
Scheduled by demand
Faculty Instructor: William Justiniano
Our resident glass wizard, William Justiniano, will be instructing our Hot Shop Skills Clinic sessions. Do not expect to take anything home with you; you might not even sit down all night! This class is designed strictly to work on honing skill sets. Focus will be on repetition: gathering, marvering, jacking, proper tool usage, etc. Think gather, gather, gather, marver, marver, marver!! These sessions are open to 10 students.
Other Classes (Intermediate):
Five Fridays
- Session I
- September 24 - October 29 (skip 10/1)
- Session II
- November 19 - December 17
- Session III
- February 11 - March 11
- Session IV
- April 15 - May 13
Members: $330 Non-Members: $360
5 - 9pm (20 hours)
Faculty Instructor
Five Fridays is our most popular Hot Shop class! Students begin developing their basic skills, focusing on color application, shape and form, cold working and sandblasting. This class is ideal for the busy professional. This class is designed for people who have some experience in the Hot Shop.
NEW! Made for 3 Glass Intensive
- Session I
- October 6 - 27
- Session II
- December 1 - 22
- Session III
- March 16 - April 6
Members: $300 Non-Members: $330
Wednesday, 6 - 9pm (12 hours)
Faculty Instructor: William Justiniano
This intimate intermediate/advanced level class is designed for 3 students who want to delve into complex techniques in furnace glassblowing. Topics will include: surface color techniques, pulling goblet stems, applying bits, and cane pulling. This class will only run with 3 students. Intermediate skill level required.
Month of Wednesdays
- Session I
- November 3 - 24
- Session II
- February 16 - March 9
- Session III
- May 4 - 25
Members: $195 Non-Members: $215
Wednesday, 6 - 9pm (12 hours)
Faculty Instructor
This class provides an opportunity for intermediate students to work on independent projects, exchange ideas with other students, and to develop personal style. An instructor will be on hand to offer guidance with technical questions. Intermediate skill level required.
Other Classes (Advanced):
NEW! Cane Pulling Workshop
- Session I
- November 7 & 14
- Session II
- January 2 & 9
- Session III
- February 20 & 27
- Session IV
- April 17 & 24
Members: $145 Non-Members: $175
Sunday, 10am - 1pm (6 hours)
Faculty Instructor: William Justiniano
This class will focus solely on pulling colored cane in the Hot Shop. Learn to pull solid or patterned cane then slice it into murrines. This class can accommodate up to 4 beginner/intermediate students. Please load your bar color into the kiln a half hour before this class begins. Students provide their own color. We have limited color for sale in our student packs.
NEW! Furnace Glassblowing III
- Session I
- September 21 - November 11
- Session II
- January 25 - March 17
$1,500 (includes individual membership)
16 classes per session (8 weeks)
Tuesday & Thursday,6-9pm (48 hours)
Faculty Instructor: William Justiniano
This class is designed for intermediate students only. Furnace III offers a great opportunity for students to hone their skills, working on goblets, handle application, surface color work, encalmo techniques, blown feet, and more. This class is limited to 4 students and will allow considerably more blowing time per student. Intermediate skill level required.
NEW! Techniques in Goblet Making
- Session I
- November18 - December 9
- Session II
- March 24 - April 21 (skip 4/7)
- Session III
- May 5 - 26
Members: $300 Non-Members: $330
Thursday, 6 - 9pm (12 hours)
Faculty Instructor: Jason Marstall
In this class, Jason will teach various methods for making goblets, including blowing even goblet tops, adding decorative handles, pulling even stems, and making feet. Bring your sketch book ideas! This class is designed for up to 4 intermediate students.

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