Glass Baren for Printmaking: What It Is & How to Use It
A glass baren is a hand-printing tool designed to apply pressure to a substrate when making a print by hand. It is used in relief printmaking, including linocut and woodcut, and allows artists to print without relying on a printing press.
At Iron Frog Press, the Original Print Frog® Glass Baren was designed by master printmaker Matt Bagley specifically for the demands of hand printing. Matt developed the original design in 2013 for his own printing needs and began making the Print Frog® available to the printmaking community in 2014.
What Is a Glass Baren?
A glass baren is a handheld tool used to transfer ink from an inked printing block onto a substrate. Instead of running the substrate and block through a press, the artist places the substrate over the inked block and uses the baren to apply pressure.
Glass provides a smooth, dense surface that can move across the substrate while applying consistent pressure. The design of the baren—including its shape, weight, handle, and working surface—is what makes it suitable for hand printing.
The Original Print Frog® Glass Baren was developed specifically for printmakers rather than adapted from another type of glass tool.
How Does a Glass Baren Work?
A glass baren applies pressure to the substrate to transfer ink from an inked printing block. The Print Frog® is a high-performance glass baren designed specifically for hand printing.
Its design features include:
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Resists all ink, chemicals, and solvents
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Easy to clean
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An ergonomic handle
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Graceful organic radius edge
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Works on a variety of substrates
The Print Frog® Glass Baren can be used for a variety of printmaking processes and substrates, including:
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Linocut
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Woodcut
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MDF
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printing blocks
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Collagraph
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Chine-collé
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Fabric printing
It also performs well with a variety of papers and materials, including kozo, mulberry, vellum, and heavy printmaking papers.
This makes the Print Frog® Glass Baren a versatile option for artists who want to print by hand, whether they are working on traditional relief prints, experimental processes, or different papers and substrates.
Hand Printing Without a Baren
You don't need a printing press—or even a purpose-made baren—to make a hand-pulled relief print.
Wooden spoons are one of the most common household objects used for hand printing. Printmaking educators and museums also describe using spoons as an alternative to a baren.
Printmakers have experimented with other improvised tools as well, including drawer pulls, cabinet knobs, and other smooth objects that can be used to burnish the back of the paper.
These methods can work. The problem is that these objects weren't designed for printmaking.
The Limitations of DIY Methods
A wooden spoon was one of the tools Matt Bagley used when he was developing his own approach to hand printing. He also experimented with a wooden drawer pull.
The question wasn't whether these objects could make a print—they could. The question was whether they could provide the comfort, control, pressure, and consistency needed for repeated hand printing.
We have spoken with many printmakers who have used wooden spoons and other improvised tools, and we've heard similar concerns:
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The size and shape aren't designed for printmaking.
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The amount of pressure required can become tiring over repeated printing.
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The grip and working angle can be awkward.
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A small working surface concentrates pressure in a limited area.
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Maintaining even pressure across a larger print can be difficult.
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Inconsistent pressure can lead to inconsistent results.
These aren't necessarily problems with the printmaker. The object simply wasn't designed for the job.
Why Matt Designed the Print Frog®
Matt wanted a hand-printing tool that was actually designed for printmaking—not a kitchen utensil or hardware adapted for the job.
The Original Print Frog® Glass Baren was developed through years of printing, testing, and solving the practical problems that come with hand printing. Its size, shape, weight, handle, curvature, and working surface were developed specifically around the way printmakers work.
A wooden spoon can make a print. A drawer pull can make a print. The Print Frog® was designed specifically to make hand printing a better experience.
The Working Surface Matters
Not all glass barens are designed the same way.
The working surface of the Original Print Frog® Glass Baren is one of the details that sets it apart. Matt Bagley discovered through years of printing and testing that the unique surface of the Print Frog® allows it to glide smoothly across the substrate while maintaining the pressure needed for a good transfer.
This isn't simply a piece of glass shaped to fit in your hand. The shape, weight, curvature, and working surface were all developed with the demands of actual printmaking in mind.
The Print Frog® was developed through years of studio use—printing large editions, working with different papers and substrates, and solving the practical problems that come with hand printing.
The result is a glass baren designed for how printmakers actually work.
Every Print Frog® is handcrafted, and subtle variations are part of the individual character of each piece.
Printing With or Without a Press
One of the advantages of a glass baren is its versatility. The Print Frog® can be used for hand printing when a press is not available, but it can also be a valuable companion to a printing press.
Even when printing on a press, prints can sometimes come out under-inked in certain areas. You can spot ink those under-printed areas and use the glass baren to bring them up to an overall consistent print.
This makes the glass baren a useful finishing tool for achieving more consistent prints for an edition.
The Print Frog® can therefore be used as both a primary hand-printing tool and a companion to a printing press
Glass Baren vs. Traditional Japanese Baren
The traditional Japanese baren was developed as part of the Japanese woodblock-printing process and is particularly associated with mokuhanga, the Japanese tradition of woodblock printing. Traditional Japanese woodblock printing uses water-based pigments and Japanese papers, and the baren is an essential part of the hand-printing process.
A traditional hon-baren is constructed from a tightly coiled bamboo-twine core, paper, and bamboo bark. The bamboo covering is twisted to create a handle, while the opposite side forms the working surface. The printer uses a burnishing motion to apply pressure and transfer the pigment from the woodblock to the paper.
Different core thicknesses affect the amount of pressure and the character of the printing.
Traditional barens also require care and maintenance. The bamboo covering of a traditional baren wears with use and may need to be replaced.
The Print Frog® Takes a Different Approach
The Print Frog® Glass Baren was designed with a different goal: to provide the printmaker with the weight and pressure needed for hand printing without requiring the same grip strength used to hold and manipulate a traditional Japanese baren.
Its ergonomic handle allows the printmaker to work with the weight of the glass rather than relying primarily on grip strength.
We have heard from printmakers who had difficulty hand printing that using the Print Frog® allowed them to successfully return to hand printing. For these artists, the difference wasn't simply the material—it was the way the tool could be held and used.
The Print Frog® is also made for repeated studio use. Its glass construction is resistant to ink, chemicals, and solvents and is easy to clean, without the bamboo covering and wrapping that require replacement on a traditional Japanese baren.
Traditional Japanese barens and the Print Frog® Glass Baren are both designed for hand printing, but they approach the process differently. The traditional baren relies on a flexible bamboo construction and the printer's hand pressure and burnishing technique. The Print Frog® uses the weight, rigidity, and smooth surface of glass to help the printmaker apply pressure with less reliance on grip strength.
Glass Baren vs. Brayer
A glass baren and a brayer serve two different purposes.
A brayer is used for inking a printing block.
A glass baren is used for printing, applying pressure to the substrate to transfer the image.
The two tools are not interchangeable. The brayer applies ink to the raised surface of the printing block, while the glass baren is used to apply pressure during the printing process.
Glass Baren vs. Glass Muller: They Are Not the Same Tool
Although both tools can be made from glass, a glass baren and a glass muller are designed for completely different jobs.
A glass baren is designed for printmaking. It applies pressure to a substrate to transfer ink from a printing block during hand printing.
A glass muller is designed for pigment and paint preparation. Mullers are traditionally made from materials such as glass or marble and have a flat bottom that is used against a grinding slab to grind or disperse pigments into a binding medium.
The working surfaces are designed accordingly. Glass mullers typically have a flat working surface intended for grinding against a slab.
A glass muller is not a substitute for a glass baren.
Glass is simply the material. The shape, working surface, and intended function determine what the tool is designed to do.
How to Use a Glass Baren
1. Carve your printing block.
Prepare your linoleum, wood, MDF, or other relief printing block.
2. Roll ink onto the raised surface of the block.
Use a brayer to apply an even layer of ink to the raised areas of the block.
3. Place your substrate carefully over the inked block.
Position your paper or other substrate over the block.
4. Use the glass baren on the substrate.
Place the Print Frog® on the back of the substrate.
5. Apply even pressure while working across the printed area.
Move the baren across the back of the substrate, working methodically across the entire printed area.
6. Check your print.
If you are not using tab or pin registration, use the Print Frog® as a weight to hold the substrate in place while you carefully check the print. When you are satisfied with the print, lift the substrate to reveal the finished image.
Like any printmaking technique, successful hand printing takes practice. Substrate, ink, block surface, pressure, and technique all affect the final print.
What Can You Print With a Glass Baren?
The Print Frog® Glass Baren can be used for a variety of hand-printing processes, including:
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Linocuts
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Woodcuts
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MDF printing blocks
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Collagraphs
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Chine-collé
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Fabric printing
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Relief printing
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Small and large editions
The Print Frog® performs well with a variety of papers and materials, including kozo, mulberry, vellum, and heavy printmaking papers.
Choosing the Right Print Frog®
Different Print Frog® models are designed for different printing needs.
Studio Print Frog®
A versatile choice for general studio use, classrooms, workshops, and a wide range of relief printing.
Pro Print Frog®
Designed for larger blocks, larger editions, and situations where a larger working surface and substantial pressure are useful.
Froglette Print Frog®
A compact option for smaller blocks, fine detail, small linocuts, wood engravings, and portable printing.
Tadpole Print Frog®
The smallest Print Frog®, designed for very small-scale relief printing and detail work.
Why Choose the Original Print Frog®?
The Original Print Frog® Glass Baren was developed by a printmaker for printmaking.
Matt Bagley originally designed the tool in 2013 for his own printing needs. After fellow printmakers began asking about the prototypes, he refined the design and named it the Print Frog®. In 2014, the high-performance glass baren became available to the printmaking community.
Today, each Print Frog® Glass Baren begins with Matt's original design and is handcrafted by professional glass artisans working to his specifications exclusively for Iron Frog Press. Each baren is inspected, tested by Matt.
If you want to learn more about how to identify an authentic Original Print Frog®, visit our Identification Guide.
Frequently Asked Questions
Can I use a glass baren without a printing press?
Yes. The Print Frog® was designed for hand printing and can be used to print relief blocks without a press.
Is a glass baren only for linocuts?
No. A glass baren can be used with linocuts, woodcuts, MDF blocks, collagraphs, chine-collé, fabric, and other hand-printing applications.
Is a glass baren the same as a glass muller?
No. A glass baren is used to apply pressure during printing. A glass muller is used to grind and disperse pigments or paint.
Can I use a glass baren with a printing press?
Yes. A glass baren can be used alongside a press to help bring up under-printed areas and create a more consistent print.
Which Print Frog® is right for me?
The Studio is a versatile general-purpose choice. The Pro is suited to larger work and editions. The Froglette is designed for smaller work and detail, while the Tadpole is intended for very small-scale printing.
Explore the Print Frog® Glass Barens
Ready to try hand printing with a glass baren?
Explore the Print Frog® Glass Baren collection and find the model that fits your printing needs.
Looking for the Original?
If you are trying to determine whether you have an authentic Original Print Frog® Glass Baren, visit our Identification Guide to learn how to recognize the original design.