Current Classes

Don’t forget … a gift certificate to the Washington Glass School is the gift of creativity!

We are open according to CDC Guidelines. Classes have resumed – masks are required for all persons entering the building. 

Stay Safe! Stay Creative! Stay In Touch!

To register for any classes:

The Washington Glass School has started the secure online payment option for most of the classes via PayPal. Scroll below to see the online purchase options!

Or pay the old fashioned way – please call the Registrar (M-F, 10 am til 5 pm) with credit card info – or mail a check made out to Washington Glass School. Be sure to include the course number and your phone number with your deposit. If there are any problems, email

Class Location
Washington Glass School, 3700 Otis Street, Mt. Rainier, MD 20712
(Map available on Contact page.)


Class 3601 - Class 3601 – MIG Welding for Dummies
Class 3602 - Class 3602 – Glass and Steel Tables
Class 3603 - Class 3603 – Going Green – Recycle Your Glass
Class 3604 - Class 3604 – Rubber Mold Creation
Class 3605 - Class 3605 – Beginning Glass Lover’s Weekend
Class 3606 - Class 3606 – Beginning Glass Casting
Class 3607 - Class 3607 – Teri’s Super Bowl Party!
Class 3608 - Class 3608 – Open Studio – Work At Your Own Pace

Deposit for Class Registration, balance due at class time.

Class 3601 – MIG Welding for Dummies (Class 3601)

Ever wondered about learning to weld? Want to impress your friends, your older brother and that cute bartender? It’s easier than you think! In three evenings you will learn how to lay a bead, and handle all sorts of sharp and dangerous tools. You will be able to complete a small project and leave with lots of ideas and know-how for other projects. This class will teach you the basics of welding, metal work and design, joining, bending and finishing. And you will get dirty! Limit 4 students (sign up early to get in!) 3 Day Class.

Erwin Timmers

SESSION 1: January 5, 12, 19 (SOLD OUT) SESSION 2: March 9, 16, 23

7pm to 9:30pm

$375 per student

Class 3602 – Glass and Steel Tables (Class 3602)

Steel tables


This is your chance to venture into making a piece of furniture for your home. You will cast or fuse an incredibly cool glass top to create the table of your own design.  You will get an introduction to welding and then cut and weld a steel frame to finish your one-of-a-kind piece. No prior welding or glass experience is needed but not discouraged.

Erwin Timmers

February 2, 9, 16, 23

7-9:30 pm


Class 3603 – Going Green – Recycle Your Glass (Class 3603)


Green up your life by doing something creative to help the environment! This is an exploration into using recycled glass to make sculptural pieces, and architectural

Erwin Timmers; "Sitemap"; cast recycled glass, recycled steel, LED lighting, recycled wood

Erwin Timmers; “Sitemap”; cast recycled glass, recycled steel, LED lighting, recycled wood

elements. We will delve into various techniques, including casting, fusing and slumping. Glass chemistry, coloration, and firing temperatures will be explained for each particular application. It is a fantastic way to learn aspects of any warm glass work while focusing on recycling!

No prior experience is necessary – you are encouraged to bring in materials you’d like to try…and you will leave with several very cool items!

Erwin Timmers

April 6, 13, 20

7-9:30 pm


Class 3604 – Rubber Mold Creation (Class 3604)



This course focuses on exploring the many possibilities of rubber molds. We will be working with three different types of rubber and discussing the science and pros/cons of each.

You will leave this course with the ability to create flawless silicone molds to cast your own sculpted poly-vitro works!

Teri Swinhart

Feb 18th, 25th, March 4th

6-9 pm


Class 3605 – Beginning Glass Lover’s Weekend (Class 3605)

As highlighted in Washingtonian Magazine – Our most popular class, this is the fastest way to learn all aspects of warm glass in the shortest amount of time!
Under the supervision of a professional glass artist you will learn the fundamentals of fusing, slumping and dimensional kiln casting. Everything from bowls and plates to sculptural objects… this is the perfect way for a beginner to learn the basics of glass… and you will leave with several very cool items!

Teri Swinhart

Sat & Sun January 30th and 31st

1pm to 4pm each day

$300 per student (all materials included)

Class 3606 – Beginning Glass Casting (Class 3606)

Milo (2)

Want to create glass sculpture but don’t know where to start? This course will start from the beginning, covering plaster mold making, different types of glass, and what goes on in the kiln. We recommend bringing your own particle respirator if you have one, but it’s okay if you don’t. Come ready to get dirty and have fun!

*This course does not cover rubber mold making, which is often helpful (but not necessary) for starting glass casting. Please see course 3604 for more info!

Teri Swinhart

March 18, 25, April, 1, 8

6-9 pm


Class 3607 – Teri’s Super Bowl Party! (Class 3607)

You like bowls?  So do we!  So come join Teri at a super Bowl Making party! Email for availability…..and let the bowl making begin! This season we will have super bowl parties every second Saturday of the month.
(email the instructor Teri directly on this one –

(max 4 students per session; 3 bowls per student depending on size of bowl)


fathers day glass art

Teri Swinhart

Saturday Jan 9th Feb 13th March 13th April 10th

1pm to 4pm

$85 for each session if using float glass; $120 for Bullseye glass

Class 3608 – Open Studio – Work At Your Own Pace (Class 3608)

Already know the basics of casting or fusing? Open Studio gives each student the opportunity to work independently in a world class studio. Tuition includes a kiln firing per session, clear base glass and colored scrap glass, use of studio tools. Note: students working in dry plaster casting need to schedule cleanup date with studio coordinator.

Studio Staff

Call to confirm appointment

$300 for 4 sessions