Kilnforming
 Frit BallsFrit balls—easy to make and fun to use! Spread out pieces of coarse frit (0003) on a primed kiln shelf, leaving space around each piece. Fire hot enough to round out the frits, usually 1500°F (816°C) with a 20-minute hold. The… River Rock ReactionMake a part sheet with stony effects— then cut it up to create projects! Reactivity is key to achieving the pebbly look of the part sheet featured here. Under kiln heat, sulfur-bearing frits react with lead-bearing powder to c… A Riot of EffectsSimple layup + reactions = a riot of effects What's going on in this glass? Our piece may look complex, but the colorful effects resulted from just allowing and preventing two types of reactions: sulfur + copper and sulfur + silv…  Index of ArticlesThese educational articles were originally published in the Bullseye TechBook, on our website, or in our newsletters. They include GlassTips, TechNotes, TipSheets, Studio Tips, Product Use Sheets, Make It Projects, and QuickTips. All… Index of VideosThis list of Bullseye educational videos is arranged by topic. We add new lessons to the list as they are released. Overview of Kiln-glass What Is Glass? FREE What Is Kiln-glass? FREE The Art of Kiln-glass FREE Kiln-glass in Arch…  Reactive Potential of Bullseye GlassWhen some colors of Bullseye glass are combined in the kiln, their chemistries react with one another at the interface, producing special effects that can prove quite versatile in art and design. This chart provides a key to unders…  Pattern Bar: Flow SlabThe pattern bar technique encompasses many approaches, including the flow slab approach. A flow slab is a multicolored block of cast glass with an internal pattern that is revealed when the block is cut into cross-sectional pieces. In …  Tint Tone PlateThis project is a cleanly designed, fused and slumped plate made with a subtle palette of Bullseye tint glasses. By following the step-by-step instructions you will apply basic plate-making and glass-cutting principles and explore the …  Color Reactions and Special EffectsYellow + Blue = Brown? When certain glasses are fired in contact with one another, their chemistries interact to create effects and different colors than what one might anticipate, considering how colors normally mix. In this lesson yo…  Firing: Basic PrinciplesA firing schedule is a set of instructions that tells the kiln how to heat and cool during the glass-forming process. In this lesson you will learn the eight basic steps that make up a firing schedule and why they are important.… Glimmering IridsGold and silver irid + clear powder = shimmering glass In the tiles shown above, powdered and exposed irid surfaces catch and reflect light differently, producing subtle glimmering effects. To make the tiles, we… Reactive Potential of Bullseye GlassWhen some colors of Bullseye glass are combined in the kiln, their chemistries react with one another at the interface, producing special effects that can prove quite versatile in art and design. This chart provides a key to… Index of ArticlesThese educational articles were originally published in the Bullseye TechBook, on our website, or in our newsletters. They include GlassTips, TechNotes, TipSheets, Studio Tips, Product Use Sheets, Make It Projects, and QuickTips.… Index of VideosThis list of Bullseye educational videos is arranged by topic. We add new lessons to the list as they are released. Overview of Kiln-glass What Is Glass? FREE What Is Kiln-glass? FREE The Art of Kiln-glass FREE Kiln-glass in… GlassTipsBack by popular demand from "Bullseye 1.0", this handy online reference guide explains what you can expect from your Bullseye sheet glass colors before and after heatwork in the kiln. Explains cold characteristics of the glasses… A Riot of EffectsSimple layup + reactions = a riot of effects What’s going on in this glass? Our piece may look complex, but the colorful effects resulted from just allowing and preventing two types of reactions: sulfur + copper and sulfur +… River Rock ReactionMake a part sheet with stony effects— then cut it up to create projects! Reactivity is key to achieving the pebbly look of the part sheet featured here. Under kiln heat, sulfur-bearing frits react with lead-bearing powder to… What to Expect from Bullseye GlassColor Variation While Bullseye strives for consistent colors, our glass is a handmade product and colors may vary slightly between production runs (and from images in the catalog). Some colors may change slightly upon repeated… Frit BallsFrit balls—easy to make and fun to use! Spread out pieces of coarse frit (0003) on a primed kiln shelf, leaving space around each piece. Fire hot enough to round out the frits, usually 1500°F (816°C) with a 20-minute hold.…  Fahrenheit/Celsius ConvertersTemperature Conversion°F °C Rate Conversion°F °C  Kilnforming with RodBullseye's glass rods were originally developed for flameworking, but they can also be used in the kiln, and doing so opens exciting aesthetic territory. In this lesson you will learn the distinct characteristics of Bullseye rods, thei… Pattern Bar: Flow SlabThe pattern bar technique encompasses many approaches, including the flow slab approach. A flow slab is a multicolored block of cast glass with an internal pattern that is revealed when the block is cut into cross-sectional pieces. In …  On-edge Strip ConstructionThe on-edge construction technique involves placing strips of sheet glass on edge and fusing them together to create finished work. In this lesson you will learn tips for cutting and composing with glass strips, how to fire and finish …  Vitrigraph Kiln: Basic UseStraight, machine-made stringers are great for kiln-glass work, but you can also make your own fluid or controlled lines of glass using a Vitrigraph kiln. In this lesson you will learn how to transform a Paragon Caldera kiln into a Vit…  Heatwork and Color: Sheet GlassWhen designing and firing kiln-glass, it's important to understand how various glass colors respond to heatwork in kilnforming processes. In this lesson you will learn about the relationship between heatwork and color in sheet glass.…  Heatwork and FritUnderstanding the concept of heatwork as it applies to frit can open up an entire world of design possibilities. In this lesson you will learn how to achieve a variety of surface textures and finishes with frit by varying time and temp…  Kiln TypesNo one type of kiln is ideal for every working method, but all types have methods for which they are most commonly used. In this lesson you will learn about the desirable qualities to look for in any kiln, the most common types of kiln…  Working with StringerStringers are thin filaments of glass that can be used as design elements in kilnformed compositions. In this lesson you will learn a variety of ways to work with manufactured, as well as hand-pulled, stringers.…  Working with Powders on SheetFiring crushed glass powders on sheet glass allows one a direct method to create imagery, pattern and nuanced shifts in value and hue. In this lesson you will learn about the tools and techniques involved and will get a broad overview … Tint Tone PlateThis project is a cleanly designed, fused and slumped plate made with a subtle palette of Bullseye tint glasses. By following the step-by-step instructions you will apply basic plate-making and glass-cutting principles and explore the …  Is Bullseye glass COE 90?Glass users who ask this question usually want to know if they can successfully fuse Bullseye with another manufacturer's glasses. Unfortunately, the answer to this question is not simple. Our short response is this: Matching… What are "striking" glass colors?A small number of Bullseye glasses appear pale or colorless in the cold sheet, but "strike" or mature to target color when fired. The images of striking glasses in our online store and product catalog show how colors appear before and… Is Bullseye glass compatible in all conditions?Bullseye glasses are well known for reliable compatibility. But understanding the conditions of our factory testing is important, especially for anyone firing glass under unusual or extreme conditions. To learn about our compatibility… What can I expect from Bullseye rods?In the production of Bullseye rods, five characteristics are evaluated: Compatibility: Bullseye Compatible rod styles are factory tested to the same standards as other Bullseye Compatible materials for kilnforming. Color:… Is Bullseye glass food safe?Below we have listed the Bullseye glasses that contain more than 1.0% lead or more than 0.5% cadmium. If you are using any of these styles for food-bearing objects, we recommend capping them with Bullseye clear glass. In our tests we… How and why should I clean glass before firing it?Cleaning glass removes problem-causing contaminants like glass-cutting fluid, oils, minerals, salts, dusts, fibers, sticker residues, pen marks, and fingerprints. If these contaminants are not removed from glass before it's fired,… What is coldworking?Coldworking is changing the shape or surface texture of glass, using tools and processes that do not rely on heat. Coldworking methods include grinding, carving, engraving, polishing, sandblasting, and other techniques. How can I learn to cut glass?We recommend that you take a class to learn the fundamentals. In a class, you'll find out about the best tools and techniques to use and will have a chance to practice before investing in glass and equipment for your own studio. Check… What should I know about studio safety?Our short article, Safety in the Kiln-glass Studio, covers the basics and recommends other resources for learning. What Is kilnforming?Kilnforming is the shaping of glass within a kiln, using heat and gravity. Kilnforming encompasses a wide variety of glassforming methods, which include fusing, slumping, kilncasting, printmaking, drawing and painting with glass, and… |
Methods & Ideas
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