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Slumping Basics

Using heat and gravity, art glass can be shaped over and/or into molds in a kiln to create an almost endless variety of forms. In this lesson you will learn about glass “slumping” methods, with a focus on using commercial ceramic m…

Preparing Kiln Shelves

Hot glass will adhere to kiln shelves if not prevented by a separator. In this lesson you will learn how to use Bullseye Shelf Primer, an affordable and highly effective separator.…

Kiln Shelves and Furniture

When glass is fired in a kiln it must be supported and/or contained by kiln shelves, posts, dams and weights. In this lesson you will learn about these types of kiln furniture and how to use them in kilnforming glass.…

Kiln Operation

Knowing how kilns work and how to use them to their full potential is essential to making kiln-glass. In this lesson you will learn how to operate a kiln to control precisely how glass is heated, cooled and ultimately formed.…

Glass Cutting

With the proper tools and techniques even beginners can produce clean, accurate glass shapes for kilnforming projects. In this lesson you will learn everything you need to get started cutting sheet glass.…

Glass Cleaning

Substances like dusts, oils and fingerprints must be removed from glass before it's fired or they may be visible in the finished work. In this lesson you will learn how to clean glass properly to avoid problems caused by surface contam…

Firing: Basic Applications

In the “Firing: Basic Principles” lesson, you learned the eight steps that make up a firing schedule. In this lesson you will use those eight steps to design firing schedules for fusing, tack-fusing and slumping a platter with a te…

Drawing with Glass

Drawing with crushed glass powders and frits on sheet glass is a fluid and forgiving approach that allows for a broad range of gesture and precision. In this lesson you will do exercises to become proficient in the method and learn how…

What Is Glass?

Glass is a unique art-making material. In this lesson you will learn about the fundamental properties of glass, the basic forms of art glass and their uses, and how art glass is made at Bullseye Glass Company.…

Fusing Basics

Many kilnforming methods are based on fusing, the heat bonding of separate pieces of glass. In this lesson you will learn how to fuse together layers of glass on a kiln shelf, while exploring glass as a unique art-making material.…

ZYP Tips

Download the ZYP Tips for Ceramic Casting Molds PDF ZYP Boron Nitride Aerosol Lubricoat (8714) is a separator that can be applied to ceramic casting molds as a release between the mold and glass. It can be very effective and…

Bullseye Investment Mixing Instructions

Download the Bullseye Investment Mixing Instructions PDF Safety First Mix in a well-ventilated area while wearing a NIOSH-approved respirator. Mixing Steps Determine how much investment material you will need for your…

Bubble Population

Download the Bubble Population PDF Why Does My Transparent Glass Seem to Turn White' Bubbles affect light transmission in transparent kiln-glass. As a result' the more bubbles your glass contains (i.e.' the higher its…

Stained Glass

Ready to Make the World a Brighter Place' With the full range of Bullseye Glass' your palette of colorful possibilities is practically limitless. Download our Getting Started' Stained Glass PDF for a list of stained glass…

Bullseye Glass Color Conversion Chart

Bullseye Glass styles conveniently converted to CMYK and RGB color values to streamline your work flow and help you visualize your designs before you make a single cut. Download the Bullseye Glass Color Conversion Chart here (updated…

Quick Tip: Wet Scraping Kiln Shelves

    Scraping your kiln shelves is about to get faster' easier' and tidier with this handy wet method. It’s as simple as spray' scrape' and sweep (with or without gloves' depending on your druthers). Use this Quick Tip…

Quick Tip: Sparkle Sparkle

Create Hues with Sparkle and Depth Did you ever wonder why Bullseye doesn’t make an Aventurine version of other colors' like red' for example' We would if we could! The chemistry of those sparkles (a.k.a.' flake) is deeply…

Murakami SP-9500 Diazo Sensitizer Mixing Instructions

Overview Murakami's premier dual cure graphic emulsion. Outstanding resolution of fine details. An easy to use emulsion with wide latitude and exceptional durability. For instructions' download our Diazo Mixing Instructions…

Quick Tip: Color Line Dot Bowls

Make these sweet dotted bowls with Color Line Paints and the simplest of tools! To get started' layer two 4.75 ̋ circles of colorful 3mm sheet combinations and fire to a full fuse. For a slightly thinner' lighter bowl' swap the…

Quick Tip: On the Edge with Transparents

Transparents transform with on-edge strip construction Cut 3mm sheet glass into 1cm wide strips' turn those on edge' and—presto!—color saturation increases. In the pairings below' notice how the 1cm thick on-edge samples…

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New to using Bullseye Glass?

 "Your choice of glass is probably the most important decision you will make as a kilnformer." -Artist Steve Immerman on why he exclusively uses Bullseye. Bullseye glass is developed by artists, for artists. We've got your…

Is it safe to fire Bullseye Glass in a kiln?

Yes. At cold temperatures and typical firing temperatures, the colorants are encapsulated in the glass and the glass does not emit odors or toxics into the air. However, ventilation is recommended to dissipate odors from shelf…

What is The Rule of Halves?

This rule is important to know for successful glass cutting. A score is more likely to run properly when there are equal amounts of glass on either side of it. This is particularly important for cutting strips of…

Why should I choose Bullseye glass over other glasses?

When you buy Bullseye glass, you're investing in top-quality materials and technical resources: Our standards for testing and quality are the highest in the industry and our products are unsurpassed for consistency and…

How do I know which Bullseye clear glass to use?

Tekta is Bullseye's signature style of clear glass. Bullseye manufactures two styles of its Tekta glass: Tekta Clear and Tekta Crystal Clear. Tekta Crystal Clear is recommended for crystal clarity, especially in thicker works.…

Can I get samples of your glass?

Yes. Our popular sample sets for sheet glass, and billets are great resources for any studio. Note that these samples are for color reference only. They are not intended for reheating and may not be fusible.

Is there bubble-free glass?

Bubbles are found in all handcrafted glasses. They contribute to the art and beauty of finished glasswork. You can learn to minimize bubble formation or to create bubble patterns and effects by reading TechNotes 5: Volume &…

What are Special Production glasses?

Occasionally we produce limited runs of top grade glass styles that are not included in our regular product line. We refer to these as “Special Production” sheets. Special Production sheets may be one-of-a-kind or available in…

What are Curious glasses?

The grading system for our handmade glass demands that each sheet match a target color and have a uniform appearance to receive first-quality grade. Glass that is not quite the target color or that has some other…

Is all Bullseye glass recommended for fusing?

No, but all of our glass goes through a rigorous quality assessment and assigned a grade. Our top-quality sheet glass comes in two grades: Fusible and Standard (non-fusible). Fusible glass is coded as “F” and Standard or…

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