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Stuck on a stained-glass panel because the perfect bevel doesn’t exist? Spend a focused half-day with Kevin Tappin at the D&L classroom and learn to cut, grind, and polish custom straight-line bevels from stock pieces. Leave with finished bevels, cleaner finishing techniques, and hands-on confidence.
Stuck on a stained-glass panel because the perfect bevel doesn’t exist? Spend a focused half-day with Kevin Tappin at the D&L classroom and learn to cut, grind, and polish custom straight-line bevels from stock pieces. Leave with finished bevels, cleaner finishing techniques, and hands-on confidence.
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Operated by D&L Art Glass Supply · Denver, Colorado
Kevin Tappin’s Customized Bevels workshop turns a common studio bottleneck into a hands-on victory. Held at the D&L classroom at 1440 W 52nd Ave, Denver, CO 80221, this half-day stained-glass class (9am–1pm) teaches you to cut, grind, and polish custom straight-line bevels that don’t exist off the shelf. With a maximum of eight students, the session emphasizes small, precise coldworking using lap wheels and a progression of diamond grits to reshape stock bevels into perfect fit pieces for your panels. The class highlights are plain and practical: real bevel manipulation, step-by-step use of grinding tools, and finishing techniques that yield a polished edge ready for leading or copper foiling. Kevin Tappin — owner of Stained Glass Stuff in Ottawa, Canada — brings two decades of coldworking experience, a patient teaching style, and a focus on repeatable methods that speed complex designs toward completion. All glass and supplies are provided, and the D&L classroom is stroller- and wheelchair-accessible, making the workshop approachable for many skill levels. Expect an introductory demo, individual work time at lap wheels, and one-on-one adjustment coaching. Safety is central: eye protection, careful handling of diamond pads, and dust control protocols keep the bench clean. Students under 15 must be accompanied by a participating guardian. Practicalities are tidy — arrive ten minutes early, park on the west side of the building, and use the classroom door beside the chain-link fence; an on-site bathroom is available. Why this class matters in Denver’s maker scene: it solves a specific technical gap that stalls stained-glass projects worldwide. Instead of improvising awkward filler pieces, you’ll leave with the ability to produce straight-line bevels that lock into complex patterns, increasing the creative options for windows, panels, and fused works. The workshop also offers a rare chance to learn coldworking tips from an international studio owner whose techniques grew from early 2000s fused-glass practice into a focused, 20-year trade. Practical takeaways include tool selection, grit sequencing, polishing technique, and design considerations for integrating bevels into leaded or foil constructions. Whether you’re a hobbyist troubleshooting a stalled panel or an emerging artist wanting cleaner finishes, this class gives concrete skills and confidence. Winter-weather continuity means classes usually run as scheduled; contact the host for rare cancellation notices. Walk away with small custom bevels you made yourself and a clearer process for finishing future projects. The small class size means plenty of bench time and personalized feedback; expect to complete multiple practice bevels and at least one project-ready piece. Materials cover common glass types used in bevel work, and Kevin will explain when to choose grind-over-replace strategies. Ideal for makers looking to level up technical finish work, this workshop is an investment in cleaner stained-glass outcomes.
easy.
4 hours (9am–1pm).
Light — requires standing at a bench for several hours and moderate manual dexterity.
Please park on the WEST side of the building and enter through the classroom door next to the chain-link fence; arrive a few minutes early to settle in.
Yes — there is a bathroom available in the building.
Minimum age is 15; any participant 15 or younger must have a parent or guardian also taking the class.
Yes — the D&L classroom is stroller- and wheelchair-accessible and instructors can accommodate needs if notified in advance.
All glass and supplies are included in the class fee.
Classes generally run as scheduled during winter weather; only extraordinary circumstances will prompt cancellations and you will be contacted directly if that occurs.
Kevin Tappin discovered a passion for fused and coldworked glass in the early 2000s and has developed two decades of expertise; he is owner of Stained Glass Stuff in Ottawa, Canada, and brings that trade knowledge to this Denver class.
Instructors emphasize minimizing waste, safe slurry disposal, and maximizing reuse of leftover glass pieces; students are encouraged to recycle scrap glass and follow dust-control best practices.
D&L Art Glass Supply is a full-service glass art studio and teaching center dedicated to hands-on education, materials, and studio access for makers at every level. Located within a creative community, D&L offers an extensive schedule of workshops and open-studio sessions led by nationally recognized artists and experienced instructors. Classes cover fused glass, stained glass, mosaics, vitrigraph, kilnforming, cold working, sandblasting, and specialized techniques like reactive glass and advanced pattern making. Participants can join single-day introductions, intensive multi-day courses, themed artist residencies, and two-hour open studio sessions. Each class supplies studio tools, equipment, and clear firing schedules, while materials are available for purchase on-site or participants may bring their own. D&L emphasizes safety, accessibility, and artistic growth with small class sizes, step-by-step demonstrations, and one-on-one guidance during hands-on projects. Popular offerings include beginner fusing, mosaic workshops, stained-glass painting and lightbox projects, vitrigraph collaboration, and advanced fused-glass pattern forming. Several guest-led workshops are noted as sold out, reflecting consistent demand and instructor reputations. The studio also supports experimentation with test pieces and sample libraries so artists can learn material behaviors before committing to larger works. D&L maintains professional-grade kilns and cold-working stations and enforces best practices for material compatibility and ventilation. With a track record of offering beginner-friendly entry points alongside advanced technical courses, D&L Art Glass Supply serves hobbyists, emerging artists, and professional makers seeking technical skill, creative support, and reliable studio resources. The studio regularly updates its equipment and publishes clear schedules and materials lists online for students annually.
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