This page exists to gather all the Bullseye Resources and Quick Tips for your easy access. We hope these FREE downloads inspire you to build something wonderful!

Studio Resources

Reactive Potential

A handy guide for which colors may react with each other, and which won’t.

*NOTE – does not include some of the newest colors found in Catalog 13

Project Sheet

This project sheet is an excellent way to keep track of all the variables that make up a project. Get repeatable results, and avoid costly trial-and-error!

Annealing Thick Slabs

This firing chart will help you program your kiln for those pieces that are over 6mm thick. Avoid the heartbreak of thermal shock!

Glass Cleaning Basics

Cleaning glass before firing it removes problem-causing contaminants. If these substances are not washed from glass before it is fired, they may be visible in the finished glass or may cause devitrification.

12 Ways to Improve Your Cutting

Does what it says on the tin.

Safety in the Studio

A kiln-glass studio presents its own set of hazards, but these can be easily mitigated. Just a little bit of good housekeeping, common sense and proper safety equipment will go a long way toward ensuring your safety while working in the kiln-glass studio.

Bullseye Shelf Primer

Hot glass will stick to ceramic or metal surface in a kiln, and will crack as it cools. In order to prevent this from happening, you will need to apply a separator.

What to Expect From…

Steel Blue

On the surface, Bullseye’s Steel Blue (0146) is a deep teal blue. In transmission, it shows a slight shift to a deep aquamarine. But on firing, it seems to have a mind of its own…

*NOTE – expect similar behavior from the new Steel Jade (0345)

Petrified Wood

Petrified Wood is Bullseye’s magical unicorn streaky. Its unique combination of glasses results in dramatic internal reactions at full-fuse temperatures.

Opaline Frit

Like Opaline sheet glass, Opaline frit is a unique translucent style that transmits cool tones or warm fiery effects depending on how the light hits it.

Alchemy Glasses

Take your creativity to wizardly places with Bullseye’s new Alchemy Clear styles! Both styles change the appearance of silver when fired in direct contact with the glass.

Fusible Pencils

You can make permanent marks on your glass projects with underglaze pencils.

  • Sign your name or add other handwritten text
  • Draw on one or more layers
  • Create shading effects

Textures and Irids

Try something new with your textured and iridescent glass! This page offers several ideas for recombining these attractive glasses into your projects.

Bullseye Shelf Paper

Bullseye ThinFire Shelf Paper is a ceramic-impregnated kiln shelf paper that provides excellent separation between glass and kiln shelf in firing applications up to 1600˚F

Slumping Molds

Slumping is a fundamental kilnforming technique used by beginners and experts alike. Bullseye technicians have written these tips for using slumping molds, which can be applied generally to improve results when slumping.

Reaction Action

When certain Bullseye glasses are fired in contact with one another, their chemistries interact at the interface to create many effects and colors too. Here are close-up examples of some of our favorite reactions.

Tips and Tricks

A Riot of Effects

This piece may look complex, but these colorful effects resulted from just allowing and preventing two types of reactions: sulfur + copper and sulfur + silver.

Alchemy Metallic Palette

Create gold & bronze hues by capping silver foil with Bullseye’s Alchemy Clear styles. Adding Clear to the mix expands the palette to three handsome metallics.

Circles From Squares

You can create nicely rounded cabochons from stacks of 0.75″(20 x 20 mm) squares, thanks to heat, gravity, and the 6 Millimeter Rule. But be careful, they’re addictive!

Colorline Dot Bowls

Make these sweet dotted bowls with Color Line Paints and the simplest of tools!

Dilution Solution

Clear sheet and rod can be fired over a palette of medium-saturation sheet to displace the material underneath. This creates lighter areas by diluting the color to reveal more of the white base layer.

Fibonacci Fade Plate

The Fibonacci sequence is a numbering system found in nature, from flower petals and pinecones to seashells. It’s pleasing to the eye (even if you’re not aware of it) and a versatile design tool.

Fine Line Stringers

Candle-bent Fine Line stringers bring a lean line quality to this Mid-Century inspired design.

Fix Surface Flaws

The growth of crystals on glass, aka devitrification or “devit”, is not that common or easy to create. But if devit does appear on your fired glass, there are several ways to remove it.

Frit Balls

Frit balls are a design element that can add an elegant or fun touch to a variety of different glass fusing projects.


Say yes to sprinkles!

Get a Reaction!

This resource offers some ideas for exploiting the reactive potential in the chemistry between different glasses.

Glimmering Irids

Powdered and exposed iridescent surfaces catch and reflect light differently, producing subtle glimmering effects.

Holiday Punch

Combine punched silver foil design elements with Tomato Red Opalescent for something truly festive!

Inky Blue Brush Strokes

Combining GlasTac and Aventurine Blue powder is the perfect way to make saturated, gestural brush strokes in kilnforming. Think of sumi-e and other East Asian styles of brush painting and calligraphy.

Iridescent Squares

You can transform a single sheet of Rainbow Iridescent glass into a shimmering design by cutting it into squares and reconfiguring the pieces.

Keen on Green

How to make green from other colors of Bullseye Glass.

Kilncarved Billet

Create a textured block of glass using ceramic fiber paper and the right amount of heat! Almost any shape is possible: letters, numbers and more!

Little Wisp Bowls

Create your own streaky color palette by layering Clear and White Streaky sheet glass over transparent tint glass styles.

Linear Reactions

Clear stringers act as a barrier between reactive sheet glass and copper-bearing Turquoise. Wherever the Turquoise stringers overlap Clear, a Turquoise spot remains.

Making a Chevron Design

Making this chevron plate is a snap with Bullseye’s Cascade sheet glass!

Multitasking Molds

Slumping molds can certainly be used to form pieces that utilize the entire surface, but consider the options when slumping pieces that only make use of a portion of the mold.

Opaline Overlays

Opaline sheet glass. Amazing on its own—also a great tool to expand your color palette in kilnforming, creating new colors with distinct properties.

Opaline Ring

Explore the possibilities of a palette of green rings capped with Opaline! As an overlay, Opaline scatters light for a dramatic impact on base colors.

Opaline Sushi Set

Opaline Striker transforms Canary Yellow and Fuchsia into an exciting, modern palette with unique effects in both reflected and transmitted light.

Powder Power

Want to minimize the look of bubbles in fused pieces? Here’s a technique—used in kilnforming circles for many years—that’s also worked well for us.

Raise the Bar

Add an accent color—and functionality—to your new soap dish with a little help from Bullseye fusible rods!

River Rock Reaction

Make a part sheet with stony effects—then cut it up to create projects! Sulfur-bearing frits react with lead-bearing powder to create a rocks-in-a-streambed effect.

Smooth it Out

Create a smooth, uniform surface on the shelf side of your fired work—not a brush stroke in sight!

Sparkle Sparkle

Create hues with sparkle and depth using Aventurine Green!

Stripes and Dots

Rods are a natural choice for easy stripes and dots. This summer-themed palette of opalescents is fresh and irresistible for mixing and matching!

Tint Overlay Palette

Create this soft, dreamy palette by layering Tint styles over neutral Opalescent styles.

Tint-Tones Plate

This design is tailor-made for transparent glass styles with light color saturation like Bullseye Tints. Combining layers of the same tint with White and clear Tekta creates a pleasing, monochromatic palette.

Wet Scraping Kiln Shelves

Scraping your kiln shelves is about to get faster, easier, and tidier with this handy wet method.