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    • Mosaic & Glass Magazine
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    • Podcast – Behind the Mosaic
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    • Mosaic Arts International 2025
    • Mosaic Arts International Archive
      • MAI 2024 – Detroit, MI and Kansas City, MO
      • MGAI 2023 – Buffalo, NY
      • MAI 2021 – Virtual
      • MAI 2019 – Nashville, TN
        • Embodied: MAI 2019 Invitational
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      • MAI 2017 – Detroit, MI
      • MAI 2016 – San Diego, CA
      • MAI 2015 – Philadelphia, PA
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Invisible Temporary Substrate with Sharon Plummer

Friday, October 31, 1:00pm – 5:00pm
Workshop: Hands-On
All Levels: Technical Development
Price: $200  (Includes $25 Materials Fee)

In this workshop, you will learn and practice a new indirect technique Sharon has developed when using tesserae too small to put on fiberglass mesh or when the ridges on Wediboard prevent very small tesserae from lying flat.

Are you frustrated when using tesserae that are so small that they fall through fiberglass mesh? This technique is ideal for that situation. You can use it for a smallish mosaic or for fabricating an element to be placed within a larger mosaic. This approach has been successful for a mosaic piece as large as 10″ x 10″.

Students will learn to create a mosaic on a simple, specialized, smooth surface and then move the whole mosaic, with an invisible backing, onto the final substrate.

NOTE: What this process does NOT involve:

  1. Face taping
  2. Using sticky contact paper, or similar
  3. Creating the mosaic face down.

Students will take home a mosaic approximately 4″ x 4″.

Tools for students to bring: Glass Nippers; Pointed-end tweezers.

Sharon Plummer has been a practicing mosaic artist for 25 years. She is originally self-taught, technically strengthened by many workshops and classes taught by regional, national, and international artists. Her work ranges from small jewelry to large-scale interior and exterior mosaics and current projects are two pro-bono large-scale exterior public mosaic murals and her own kitchen backsplash (utilizing this process).

She has been a devoted SAMA Volunteer and has served on the SAMA Board of Directors for two terms.

Sharon lives in Houston, TX, spending her retirement years in the best possible way — creating mosaic art and gardening!

Sharon on Instagram

Sharon Plummer
Sharon Plummer, Smithers Park, Houston TX
Register on Eventbrite

2025 Conference | Schedule | Registration | Presentations | Workshops | Tours | Mosaic Art Salon | Tesserae Exchange | Social Events | Hotel & Travel | Sponsor Opportunities | Vendor Marketplace | Policies

2025 Orlando Mosaic and Cultural Tours

2025 Education Program

2-Day Courses: Thursday, October 30 AND Friday, October 31, 2025
~Miniature Landscapes with Darcel Deneau
~Fun with Figures in Stained Glass with Shug Jones

1.5-Day Courses: Thursday, October 30 AND Friday, October 31, 2025
~Air Dry Clay Tiles for Mosaic with Carol Shelkin
~Wet Concrete Carving with Elder Jones

Half-Day Courses: Thursday, October 30, 2025
~Get Wired with Mosaics with David Jarvinen

1-Day Courses: Thursday, October 30, 2025
~Building a Landscape with Color and Texture with Laura Rendlen
~Andamento Drawing & Expression in Mosaic with Ahmed Ibrahim with Ahmed Ibrahim
~Small and Mighty Smalti Flowers with Karen Sasine - SOLD OUT

1-Day Courses: Friday, October 31, 2025
~Mastering Gradations and Shading with Yulia Hanansen - SOLD OUT
~Creating Unique Tessera for Stunning Mosaics with Maria Sarmiento

Half-Day Courses: Friday, October 31, 2025
~Mini Mosaic Make & Exchange Extravaganza with Barbara Dybala
~Architectural Mosaics- Designing, Fabricating, and Installing Permanent Installations with Jessica Gorlin Liddell
~Translucent Grout! Come Try A New, Non-toxic, Way to Grout Mosaics! with Jolynn Foreman
~Invisible Temporary Substrate with Sharon Plummer

© 2025 Society of American Mosaic Artists All artwork is protected by copyright and may not be reproduced and/or copied without the express permission of the artist.