13x31 3D Pro 3.5" Deep K3 Stretcher Frame Kit

True Palindromic Proportion - 13x31 Size

This interesting palindromic 13x31 size is not based on any specific proportion, but this one is based on the 31:13 ratio.

The Palindromic Series of canvas sizes challenges artists to explore the potential of symmetrical shapes in their work. This series is characterized by sizes that read the same forwards and backwards, such as 12x21 and 34x43. Unlike other canvas sizes, there is no actual proportion that defines these shapes, thereby creating a sense of wonder and a challenge for artists to push the boundaries of their compositions. In fact, the very symmetry of the palindromic shape can add an extra layer of intrigue and mystery to the composition, prompting viewers to question the artist's intentions and the underlying meaning of the piece.

While the use of palindromic shapes in art is not new, it continues to be a source of fascination and inspiration for many contemporary artists. These shapes can be used in a variety of ways, depending on the artist's style and vision. Some artists use palindromic shapes as a focal point, while others incorporate them into the background or use them as a pattern on the canvas. The use of palindromes can also serve as a nod to linguistic and literary elements, as they are often used in wordplay and puzzles. This reference can add a layer of meaning to the artwork, making it more engaging for viewers who appreciate the subtleties of language and symbolism.

Explore other sizes in this same 31:13 aspect ratio:

14x41 • 15x51 • 16x61 • 17x71 • 18x81 • 19x25 • 19x91 • 23x32 • 24x42 • 25x52 • 26x62 • 27x72 • 28x82 • 29x92 • 34x43 • 35x53 • 36x63 • 37x73 • 38x83 • 39x93 • 46x64 • 47x74 • 48x84 • 49x94 • 56x65 • 57x75 • 58x85 • 59x95 • 67x76 • 68x86 • 69x96 • 78x87 • 79x97 • 89x98

• Super strong 3D™ Pro K3™ Stretcher Bar is a very popular among contemporary artists whose painting will be displayed without a frame.
• For this 13x31 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

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

Finger Jointed Wood is not meant for Stretcher Bars

Solid wood makes the most dependable Stretcher Bar, because one homogeneous wood member is going to behave similarly across the entire length of the Bar. Whereas, with finger-jointed wood is made-up of multiple pieces of wood, sometimes on the actual joint itself, presenting multiple points of failure which no one can control.

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 add or reduce value to your final painting. The fact is, you don't want problems, and finger joints only increase that risk of the wood falling apart in the future.

The glue used to bind finger joints is a water based adhesive and when that wood is exposed to high humidity environments, particularly with exterior walls, the glue joints can give-up. As a manufacturer, Masterpiece® does its part to conserve as much wood as possible, and still provide a quality product that will out-perform any other in the marketplace.

Selective Harvesting in our Sustainable Forests

Intelligent selective harvesting of timber is an ecological method to replace the natural occurrences of forest fires and disease and landslides that can devastate forests. This is all part of the process of sustainable forest management to which we subscribe when we choose which lumber we use in our products.

23x41 is the Canvas Size Needed for this 13x31 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.

Tight'n'Up™ Liquid Canvas Retensioner

One of our most appreciated products helps make your canvas tighter! Stretching a canvas tightly can be a challenge. Our Frame Kits include the Corner and Brace Keys that you will need to add tension, but Tight'n'Up™ Liquid Canvas Re-Tensioner is a way that you can use to add tension to the canvas without needed to use the keys. It canvas be sprayed on the back of a canvas to repair most canvas tension issues.

With Tight'n'Up™, you can add tension to just a small area, or a large area. Simply spray it lightly on the back and brush it into the canvas, and within seconds, your canvas becomes tighter and stays tighter. The more you use, the tighter it gets. Recommended for acrylic primed cotton or linen canvas. We do not recommend it for oil primed canvas because there are simply too many different types of oil primed canvas, but used conservatively at your own risk, it will tension any canvas.

From the heart of California, Masterpiece® has been weaving a legacy since 1965, curating the best Stretcher Bars North America has witnessed. Our unwavering dedication to quality and innovation has cast us in the limelight as the trendsetting stalwarts in the realm of fine-art canvases. The patents we hold are not just certificates but validations of our pursuit of perfection. Engage with our creations and feel the promise of unmatched quality, a promise that resonates with your clients and every future beholder of your masterpiece.

My business is to paint what I see not what I know is there. ♦ Joseph Mallord William Turner

Joseph Mallord William Turner, one of the most prominent landscape painters of the 19th century, gifted us with this profound perspective on art. Turner's life and work were marked by his unwavering commitment to capturing the fleeting beauty of the natural world. He was known for his revolutionary approach to landscape painting, which went beyond mere representation to evoke emotion and atmosphere. Turner's style of painting what he saw, rather than what he knew was there, reflects a profound truth about his artistic process.

Our challenge is to translate the tangible world into a visual art form. Turner's words remind us that our craft is not solely about replicating reality but also about conveying the essence, mood, and visceral experience of our subjects. His portrayal of the ever-changing skies, seas, and landscapes, even in the face of critics' skepticism, serves as an inspiration to us all. We, too, can strive to paint not only what we know but what we feel and perceive, embracing the imperfections and the mysteries of our creative process. With respect to Turner's masterpiece, and our own creations, it is often the unseen and the intangible that captures the imagination of our shared human experience for our audience.

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We've handpicked this quote and our interpretation of it's meaning to inspire your art. And we honor the legacy of Joseph Mallord William Turner by creating this one-of-a-kind portrait to tie it all together. Start Painting!