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Adult Session 5 - 2026
in Session
Clay • Adult • Stencil Design 5A • WED (Aug 26 - Sept 16) • $140 • HILL
with Emily Riggs
Explore pattern and color! Use stencils to enliven your slab-built creations. In this class we'll start by having students make their own stencils, and then learn how to use these stencils with slabs for functional or decorative pieces like vases or serving dishes. All levels welcome!
This class takes place at Groundworks HILL at 1010 Aurora Ave, Boulder, CO
This class meets weekly for 4 weeks on WEDNESDAYS.
Class does NOT include additional open lab time or clay. All work must be completed during class time.
Ages: 16+
Will be available to register on Monday, July 27 at 8:00am.
Print • Adult • Level I: Intaglio • Wed (8/26/26 - 10/14/26) • $250 • MAIN
with Tiffany Blackwell
In this class, students will learn about the basics and varieties of intaglio printmaking, a process in which ink is pushed into the recesses of a plate and wiped away from the surface before printing, which allows for interesting textures, fine lines, and a high degree of detail. This class will cover drypoint, collagraph, Tetrapak printmaking, and copper etching techniques.
Ages: 16+
All supplies and materials will be provided.
Will be available to register on Monday, July 27 at 8:00am.
Wood • Adult • Level I: Woodworking • Wed (8/26/26 - 9/16/26) • $280 • MAIN
with Tim Gordon
- Please come dressed in close-toed shoes, a shirt that can be tucked in and either short sleeves, or sleeves that can be rolled up past your elbows.
- No loose or dangling jewelry.
- If you have long hair, please have it securely tied back from your face.
- We will provide safety goggles and/or full face shields, ear protection, and face masks to cover nose and mouth, but if you have your own PPE you would prefer to use, please do!
Ages: 16+
All supplies and materials will be provided.
These classes include open studio time.
Will be available to register on Monday, July 27 at 8:00am.
Clay • Adult • Level I Hand-building • WED (Aug 26 - Oct 14) • $270 • EAST
with Beatrice Chavez
Level I Hand-building for students wanting to explore the basic techniques for hand-building functional, sculptural, or decorative pieces.
Learn about the various hand-building tools, and the three basic hand-building techniques: pinching, coiling, and slab rolling through a series of self-guided projects.
PLEASE NOTE: This class runs for 3.5 hours, which includes 1 hour of work time at the end of each class period. You will not have access to the studio outside of the scheduled class time. You will also not have access to the Groundworks other locations.
Ages: 16 and above
Class meets weekly on WEDNESDAYS
Does NOT include Firing Fees. For details on our Firing Fees, please click here: https://www.groundworksartlab.org/firing-fees
All pieces will be fired to Cone 6 in an oxydation kiln.
Will be available to register on Monday, July 27 at 8:00am.
Clay • Adult • Level II Wheel • WED (Aug 26 - Oct 14) • $280 • EAST
with Sam Watkins
This class is great for students who already have some experience with clay and are looking to take the next step.
The demonstrations for this class go beyond the basics. Students will learn how to make more complex forms and techniques including: altered forms, lidded jars, throwing off-the-hump, sgraffito, and more.
(Please check the class prerequisites before enrolling)
PLEASE NOTE: This class runs for 3.5 hours, which includes 1 hour of work time at the end of each class period. You will not have access to the studio outside of the scheduled class time. You will also not have access to the other Groundworks locations.
Ages: 16 and above
Class meets weekly on WEDNESDAYS
For details on our Firing Fees, please click here: https://www.groundworksartlab.org/firing-fees
All pieces will be fired to Cone 6 in an oxydation kiln.
Will be available to register on Monday, July 27 at 8:00am.
Clay • Adult • Whimsical Mugs 5A • WED (Aug 26 - Sept 16) • $140 • HILL
with Molly Hoverstock
Learn how to build mugs with a twist of whimsy!
Add a twist of whimsy to each one-of-a kind mug in this class. Start by learning how to build a mug with slabs, followed by demos on how to make your mug come alive - facial features, handles, decoration, color - all in high fire clay. Create a fun companion for morning coffee or afternoon tea.
This class takes place at Groundworks HILL at 1010 Aurora Ave, Boulder, CO
This class meets weekly for 4 weeks on WEDNESDAYS.
Class does NOT include additional open lab time or clay. All work must be completed during class time.
Ages: 16+
Will be available to register on Monday, July 27 at 8:00am.
Glass • Adult • Studio Sampler • Wed (8/26/26 - 9/16/26) • Pay What You Can • MAIN
with Leslie Belfor
Glass Studio Sampler New to glasswork and don’t know where to start? You’re in the right place! Our Glass Studio Sampler class is the perfect place to begin your journey of learning and understanding the material and techniques of making beautiful art with glass. T
his class will spend four weeks going over low-fire glassworking techniques like kiln fusing, sheet glass cutting, and coldwork (working with unheated glass). The projects will be simple and may vary depending on the material and technique being covered that week.
This class has no prerequisites and is specifically set up for absolute beginners to this art form. Our Glass Studio does have some safety basics that must be met before anyone is allowed to join in the fun (failure to meet these requirements will result in not being granted access to the equipment):
- Please come dressed in closed-toe and closed-heel shoes, and natural material clothing, i.e. cotton or linen; long pants are recommended
- No loose or dangling jewelry, long earrings, or scarves.
- If you have long hair, please have it securely tied back from your face.
- We will provide safety goggles, but if you have your own and would like to bring them, please do!
Ages: 16+
All supplies and materials will be provided.
Sampler classes DO NOT include open studio time.
This class is Pay What You Can with a suggested price of $250.
Will be available to register on Monday, July 27 at 8:00am.
Print • Adult • Level II: Lino • Wed (8/26/26 - 10/14/26) • $290• MAIN
with Renate Mairie
Learn the basics of linocut printmaking to make a poster! Printmaking allows the artist to create many copies of the same image, making it the perfect medium for spreading the word -- make a piece to commemorate an event, express a powerful statement, or simply share amongst friends. This class will cover the basics of carving and printing linoleum, designing a multi-color piece, tearing paper, and editioning. This class is 8 weeks, and comes with open lab.
Ages: 16+
All supplies and materials will be provided.
Will be available to register on Monday, July 17 at 8:00am.