How to Build an Advanced Polyurethane Brush-up Mold

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    New Masters AcademyNew Masters Academy
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    In this video lesson artist and master mold maker Matt Lewis will walk you through how to create a simple polyurethane brush-up mold for your clay sculptures. You will learn how to make the most economical and high quality brush-up mold possible. You will learn how to use the materials and gain the technical knowledge that will enable you to solve major molding problems. By the end of this lesson you will have a comprehensive, start-to-finish approach to start molding your sculptures.


    • Vaseline and Odorless Mineral Spirits Mold Release
    • 1″ and 2″ Chip Brushes
    • Melamine Board
    • Lazy Susan
    • Rubber or Latex Gloves
    • Ease Release 200 Spray
    • 1 Quart Cup
    • Paint Stirrer
    • RTV Liquid Urethane Mold Rubber
    • AeroSil Fumed Silica (Thickener)
    • Scissors
    • Stainless Steel Mold Making Spatula
    • Sharpie Marker
    • Electric Drill
    • Stainless Steel Tube (Shapened on the Inside Edge with Dremel Tool)
    • Short Bolts
    • Laguna WED Clay
    • Putty Knife
    • USG Hydro-Cal
    • Chopped Strand Fiberglass
    • 5 Quart Bucket
    • Mold Knife
    • Stanley Shaver 7 1/2″
    • Rust-Oleum Gloss Clear Laquer Spray Paint
    • Talcum Powder
    • Utility Knife
    • 3/4″ Paddle Bit
    • 1/4″ Drill Bit
    • Flat Screw Driver
    • Double Face Sledgehammer
    • Scalpel with Hooked Blade
    • Bolts
    • Washers
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