33x45 3D Pro 3.5" Deep K3 Stretcher Frame Kit

True 15:11 Custom Proportion - 33x45 Size

This 33x45 is common, but the 15:11 aspect ratio is unusual.

It is quite common that an artist would choose a size or proportion that is uncommon to help create a sense of uniqueness and originality. By using a non-traditional proportion, you can differentiate your work from other artists and essentially create a piece that is truly one-of-a-kind. Non-standard sizes tend to challenge the creative process by pushing the boundaries of what is generally considered "normal" in the world of art. By working with a non-traditional proportion, such as this 15:11 Custom, you might discover new compositional possibilities by creating a unique visual impact or expression in a way not possible by using the same standard sizes everyone else uses.

Sometimes you may need a non-standard size or proportion to match your artwork to a specific space or location where it will hang to optimize the display. Using a non-traditional canvas size might also be more practical in nature, such as when you are working on a specific commission that requires a certain size or shape. The non-traditional size may align better with your working style or the nature of your subject matter.

Explore other sizes in this same 15:11 aspect ratio:

11x15 • 22x30 • 44x60 • 55x75 • 66x90 • 77x105 • 88x120

3D™ Pro 3.5 Stretcher Bar • 1/2" Canvas Clearance

1/2" Canvas Clearance is the space between the Bar and the canvas. Generally speaking, more clearance reduces the risk of the canvas touching the wood and creating unsightly lines during painting. Our design provides the optimal clearance so as not to impact your painting, but still leaving enough wood to the maximize strength of the Stretcher Bar.

• Produces a 3.5" deep stretched canvas (Actual depth is slightly thinner)
• 1.25" wide Stretcher Bar
• All Bars have an exclusive groove on the inside perimeter of the frame to which cross braces and Diamond Corner Braces attach
• Solid Ponderosa Pine or Fir from the Pacific Northwest

Solid Wood is Archival - Finger Jointed Wood is Not

We only use Solid Wood to build our Stretcher Bars because a solid piece of wood will last indefinitely. When we speak of archival value, it's not just the paint you use and the quality of your canvas and ground, even the wood choices manufacturers make are part of the archival process.

The principal reason manufactures use finger jointed wood is reduce cost, not increase archival value. Wood constantly grows and shrinks when the environment becomes hotter, or colder, or more humid, or more dry. Because finger jointed wood is made-up of multiple and varied pieces of wood, with varying grain patterns and densities, they each absorb and shed moisture at varying rates, which works on the glue joints that hold them together, causing the wood to bow and the joints to eventually fail, and certainly not consistent with increasing the archival value of your artwork frame support.

As a manufacturer, we do our part to conserve as much wood as possible, and still provide a quality made product that will out-perform any other in the marketplace.

• Super strong 3D™ Pro K3™ Stretcher Bar is a very popular among contemporary artists whose painting will be displayed without a frame.
• For this 33x45 large size frame, the frame provides the ultimate foundation for your art with increased strength and stability
• Provides a 3.5" deep stretched canvas which makes a bold and commanding display
• 1-1/4" wide Stretcher Bars
• All Bars have an exclusive groove on the inside perimeter of the frame to which cross braces and Diamond Corner Braces attach
• Solid Ponderosa Pine or Fir from the Pacific Northwest

Forests need People, and People Need Forests

Using lumber from sustainably managed forests is a way to support the health and well-being of our planet and its inhabitants. By choosing products made with sustainably sourced lumber, we can help to protect the environment, support local communities, and ensure a sustainable future for generations to come.

Specially Dried and Heat Treated Lumber

We source our wood from a select group of top-tier environmentally conscious lumber mills in the Pacific Northwest. These mills specially dry and heat-treat the lumber to our specifications, resulting in about half the moisture content compared to wood from typical home improvement centers or lumber yards. This process makes the wood stronger, reducing the likelihood of cracking, splitting, or warping. While the wood we use comes at a higher cost, it ensures a more dimensionally stable end product. This stability is crucial for crafting fine professional canvases that support your invaluable art over time.

43x55 is the Canvas Size Needed for this 33x45 Frame

Please note that you will need a canvas that is at least 10 Inches larger than the actual frame size to ensure proper stretching. This will provide ample material to stretch the canvas and attach it to the back of the frame. If you prefer to attach the canvas from the edge of the stretcher frame, you can reduce the size of your canvas by approximately 3/4" all the way around the frame. This will allow you to paint on the edge of the canvas and hang your artwork without needing a separate picture frame. And, if you ever need to remove the canvas from the frame and re-attach it, you'll have enough material to do that too.

With deep family ties and a legacy spanning since 1965 in California, Masterpiece® has been the epitome of unmatched quality in Stretcher Bars across North America. Our commitment to pioneering excellence has crowned us as the forerunners in the world of professional fine-art canvases. Bolstered by our patented innovations, our products exude a caliber that's in a league of its own. One touch, and the unparalleled quality becomes palpable, leaving an indelible impression on your clients and all future admirers of your art.

In the middle of every difficulty lies opportunity. ♦ Albert Einstein

Best known for his groundbreaking theories in physics, Albert Einstein lived a life that was a testament to overcoming challenges. Born in Germany during a period of shifting paradigms, Einstein faced both personal and professional difficulties, from navigating the realm of academia to escaping the clutches of a rising Nazi regime. Yet, amidst these adversities, he consistently identified and seized opportunities.

Artists, too, encounter their fair share of obstacles on the path to mastery. Whether it's a creative block, criticism, or logistical challenges, these moments test our mettle. But, just as Einstein believed, within these hardships, we find the seeds of innovation. We, as artists, continually learn that through confronting and understanding our challenges, we unlock new avenues of expression and creativity.

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Echoing the timeless spirit of artistry, we bring you this quote paired with our beautiful portrait of Albert Einstein that we created. Let your colors on the canvas speak!