Round canvas frames

Round canvas frames DEFAULT

Round Canvas Stretchers


A quality round canvas stretcher is essential for an artist to do a tondo painting. Stability, durability, and superior construction are keys to producing a lasting piece of art on a round canvas strainer.

Crone’s Custom Woodworking is one of the few manufacturers of round and oval canvas stretchers and painting panels. Our process accommodates not only round canvas stretchers, but any shape you need.

Our unique process enables us to ship large frames collapsed for assembly at your location. The canvas stretcher goes together like a puzzle, resulting in a strong canvas stretcher that will not require center supports. This means even a 15-foot canvas stretcher is within reach without exorbitant shipping expenses.

We make most of our canvas stretchers with birch plywood. Our round canvas stretchers include a raised lip around the perimeter to suspend the canvas away from the stretcher frame. This provides a smooth, even surface for tondo painting. Large canvas stretchers also include a built-in plywood French cleat for secure hanging of the unit.

For a printed circular canvas, or for applications where a solid surface is desired, artists might choose a canvas strainer. A strainer is built the same as a stretcher, but without a raised lip around the edge.

We offer cradled painting panels that can be gessoed. The panels can be painted on directly or covered with canvas. Our round artist panels are made of a ¼-inch thick plywood face and ¾-inch plywood “cradle” around the perimeter. The total unit is typically one inch thick. Cradled painting panels have the advantage of being lightweight and consistently flat.

A thicker 1 ¾-inch option is also available, offering additional depth to the artwork.

Cradled painting panels in sizes larger than a 36-inch diameter are available with cross-member supports through the center for added strength.

The perfect addition to your tondo (round) painting on canvas is a frame that complements and enhances your artwork. Floating frames allow the artwork to be mounted from the face rather than the back like a conventional frame. Your artwork appears to “float” inside the frame. This also will help hide folds on the canvas going around the stretcher. Our round floating frames include a built in French cleat which makes hanging a breeze.

Round floating frames are available in hardwood or painted composite surface.


Introducing IMPRESS Framed Round Canvases & Stretchers

Circular works of art, known in the art world as “tondos” (from the Italian word for ‘round’, “rotondo”), have appeared since Greek antiquity and became very fashionable in the Renaissance with examples painted by Botticelli, Michaelangelo, and Raphael.

(Right: Madonna of the Magnificat, 1481, by Sandro Botticelli.)

 Madonna of the Magnificat.png

Round artwork also provides a modern appeal as it is far rarer to see paintings presented in this format over the typical straight lines.  The reasons behind this are undoubtedly economic as round stretched canvases are not easy to mass produce and frames for round canvases are not found in stores at all.  Indeed, framing a round canvas is a job usually left to high-end manufacturers such as Upper Canada Stretchers who are able to use CNC technology to create custom round and shaped stretchers and frames but at a cost that is reflective of the work and customization required.

Even without a frame, stretching a round canvas is a challenge - using pre-primed canvas invariably results in pleating on the sides.  Avoiding that requires starting with raw canvas and some skill in stretching, followed by multiple rounds of gesso and sanding, resulting in a very labour-intensive process.

All of this has meant that framed round canvases, despite being a regularly requested item, have long been something that only customers with large budgets could realize.

(Above: 3-ft. custom round canvas and floating frame produced by UCS.)

That is part of what led us to develop a brand new product called the Impress Frame.  This innovative and revolutionary canvas stretching system from Upper Canada Stretchers is designed to make the process of stretching and framing your own round canvas extremely quick, easy, beautiful, and best of all, affordable!

Impress Framed Round Canvases come pre-stretched with pre-primed canvas, ready for you to paint or decorate in the medium of your choice.

Impress Round Framed Canvaspainted Impress Round Framed Canvas

The Impress Framed Round Stretcher is intended for use with prints on canvas or existing paintings, giving customers the ability to very quickly stretch and frame their canvas with no special skill or tools required!

Impress Round Frames-coloursImpress Round Framed Stretchers

These all-in-one kits take any canvas art to the next level with their unique shape and attractive floating frame.  They are perfect for artists, professional photographers and print shops, as well as hobbyists and DIY-ers wishing to bring additional interest to their choice of wall art.  Anyone can assemble an Impress frame in a matter of minutes!

See how quick and easy it can be in this instructional video featuring the Impress Framed Round Stretchers:

Impress Framed Round Canvases and Stretchers are available in 6", 12", 18", 24", and 30", plus custom sizes up to 36" in three finishes.  Visit the Impress Framed Round Canvas or Impress Framed Round Stretcher pages for more information and to order online - or use our quote form to request a quote for a custom size!

NEW!!! Impress Frames are also now available on our website in square/rectangular in sizes ranging from 6" to 30".  Visit the Impress Framed Square/Rectangular Canvases and Impress Framed Square/Rectangular Stretchers pages to order!

Square & rectangular framed canvases & stretchers

Order Impress Framed Round Canvases - stretched canvases for artists

Order Impress Framed Round Stretchers - for display of prints on canvas or existing paintings

Order Impress Framed Square/Rectangular Canvases - stretched canvases for artists

Order Impress Framed Square/Rectangular Stretchers - for display of prints on canvas or existing paintings

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Round & Irregularly Shaped Canvas stretchers: Endless Possibilities, Expert Process

Irregularly Shaped Canvas Stretchers

It’s critically important that your canvas frame has perfectly square corners adjoining straight, true stretcher bars… most of the time.

But what if your project is a little outside of that box? An artist’s vision isn’t always contained within the confines of four straight lines. In fact, some aren’t just painting outside the lines–they’re moving the lines entirely with round, oval, arched and even 3D canvas frames.

In this post, we’ll learn more about what goes into making an irregularly shaped frame, and explore stunning examples of unusually shaped canvases to perhaps inspire a project of your own!




You can buy round canvas strainers (NOT Keyable) from 12” to 42” in diameter. As you increase in size to a larger than 24” frame, the stretcher bar width increases in these custom frames to accommodate that extra canvas load and tension on the frame.

Custom frames can come in any size and shape you desire, from geometric shapes like triangles and ovals to irregular designs you’ve dreamed up. Over the years we’ve created round and shaped stretchers over 19 feet in diameter!


Round Shaped Canvas StretchersA custom 19-foot round canvas frame goes through quality checks in the Upper Canada Stretchers workshop.


Of course, the larger the frame, the greater the demands for support. Rounded frames this large are achieved by first precision-cutting plywood strips using our CNC machine, then laminating them together for maximum strength. Cross-bracing adds support, and gravity bars are recommended for hanging.


Learn More About Irregularly Shaped Stretchers


CNC machining also enables us to create arched and other irregularly shaped canvas frames, like these ones for artist, Landon Metz.

Irregularly Shaped Canvas
These arched and irregular stretcher frames were designed and machined in Owen Sound, then shipped to Denmark for assembly and mounting.

Custom design and machining means that shipping and assembly can also be taken into account; in this case, we used flush joint connector bolts to assemble the frame. That made for simple disassembly and reassembly–an important feature considering the frames were being transported from North America to Denmark!



Not anymore. You can imagine the challenges of creating a rounded frame in decades past when woodworking techniques like steaming or cutting and glueing to bend wood resulted in beautifully arched pieces. The problem is, those techniques were typically used to bend wood that would then be supported by other structure; the pieces were used as decorative trim, or countertop edging.

Elora artist Joel Masewich’s ‘Road Less Travelled,’ canvas over UCS-made CNC panels with stainless steel and acrylic, 54 x 192 inches. Photo:

Your canvas frame has to be able to stand on its own, so to speak - to support the weight of your canvas and keep it tight, to prevent damage to your piece. Today, the combination of modern machining and proven design principles enable us to create beautiful atypically shaped frames with all of the strength and durability of their square counterparts.

In fact, our rounded and arched frames can be made keyable, so you can adjust the tension of your canvas over time, just as you would with any other frame. (Not sure whether you need a keyable canvas? See this post on what keyable means and why it matters.)

 How to make Shaped Canvas Stretchers

Above is a keyable stretcher frame design and below, a strainer frame which is not keyable.


Look for a design that has a raised edge to keep your canvas from rubbing against the wood on your rounded frame.

One other important design feature you want to see is a raised edge, a front "fall" or slope, on your irregularly-shaped frame. This reduces the canvas's contact with the frame except at the very edge, preventing "ghosting" marks if the canvas were to touch the inside edge of the frame as you are pushing on the canvas while painting. Having too much contact with the wood underneath can also wear at the canvas over time.



Superior design and careful machining ensure that even your irregularly-shaped canvases will remain a strong, durable support for your best works throughout their lifetime.

  • When stretching canvas onto a round or other shaped frame, always start with unprimed cotton or linen canvas over the frame first, then prime it. Unprimed canvas is more flexible, helping prevent unsightly folds or pleating in the canvas when you’re stretching over a round, oval, or arched frame. The thicker your frame, the more difficult it is to prevent canvas folds (and the more important it becomes to work with unprimed canvas).
  • Choose carefully between cotton and linen canvas for your irregularly-shaped project. How comfortable are you stretching your own canvas? How large is the piece? What’s your budget? Learn more about the differences between cotton and linen for different types of projects in this post.
  • Where will your piece hang? How far is it being shipped? Will you need to move the piece often, and do you need a keyable stretcher frame? It’s helpful for the team designing your irregularly-shaped frame to understand how factors like the type of canvas and paint you plan to use, humidity levels and temperatures in the area the piece will be displayed in, (and more) might affect the materials and techniques required to make the best frame for your unique needs. Talk with a custom frames expert to see exactly what you need to bring your vision to life.




Learn More About Irregularly Shaped Stretchers



Circle canvas stretching DIY

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Frames round canvas

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How to assemble your Impress Framed Round Canvas

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