13x21 3D Pro Raw No 12 Canvas 3-1/2" #TR-1321

True Fibonacci Proportion - 13x21 Size

This special 13x21 size is part of the Fibonacci Series of intriguing sizes that are closely related to the Golden Mean. It's exact aspect ratio is 21:13 and is a truly unique and inspiring canvas size.

Here are a couple of other sizes in the exact same 21:13 proportion:

8x13 • 21x34

Explore Related Products to this 13x21 Size:

• Acrylic Primed Cotton: Monterey™ • Carmel™ • Tahoe™ • Heavy Weight 14oz cotton • Sierra™

Raw #12 Cotton 11.5 oz Unprimed

Rugged heavy weight unprimed canvas. Take control of your art, prepare your own ground, or use bare canvas expanses as part of the art. Great for staining or pouring, resulting in a fluid and spontaneous convergence of the image and fabric.

• 100% Cotton 11.5 oz. per square yard
• Heavy Weight, Dense Weave, Texture

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

No Finger Joints!

Solid Wood is far superior to finger jointed wood, which is many small pieces glued together, each with varying grain densities that absorb and shed moisture at varying rates, expanding and contracting non-uniformly as environmental conditions change, and causing the wood to bow and the finger joints to eventually fail.

A single homogeneous kiln-dried solid wood Stretcher Bar outperforms and outlasts a finger jointed Bar whose sole purpose is to save the manufacturer cost, not contribute to the archival value of artwork intended to last a millennium. 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.

13x21 3.5" Deep Edge Heavy Frame Offers Maximum Support!

• Drawing depicts the exact frame construction, not the proportion
• 3.5" Deep Edge K3 Heavy Stretcher Bars are precision machined with a unique double tongue-and-groove corner joint that provides rock-solid torsional rigidity that resists warping or twisting, which is an important benefit for such a deep edge canvas
• No Brace Required for this size
• To increase canvas tension, remove any staples in the corners and tap all of the expansion keys further into their respective slots, then tension and re-staple the canvas in the corners

Sustainably Managed Forests Purify the Air

Our forests purify the air by filtering nearly 40% of the fossil fuel emissions humans create, and are critical to reducing global warming. More trees are needed on this planet, not fewer, for our own healthy human survival. Therefore, we use lumber grown in responsibly managed forests, so future generations can benefit from our responsible actions today.

MuseumWrap™ Stretching Technique

With more than a half a century of American engineering, Masterpiece® designs and builds its own proprietary stretching equipment that enables us to produce the finest and most tightly-stretched canvas on the market.

• Drum-tight stretch!
• Up to 50% tighter than other methods
• Balanced tension across the surface
• Uncut folded corners make it possible to remove and re-stretch canvas on the same size frame
• Usually the corner folds are on the long sides

The canvas you select becomes the foundation of your painting and will forever be, so choose your substrates wisely. Savvy art buyers and art enthusiasts place a higher value on artwork made with quality materials because they expect their investment in your art will be a lasting testament to your brand and legacy.

Do your work with your whole heart, and you will succeed—there's so little competition. ♦ Elbert Hubbard

Elbert Hubbard, a writer, and philosopher, carved out an influential career in the late 19th and early 20th centuries. He often advocated for the pursuit of excellence and the importance of dedicating oneself wholeheartedly to one's endeavors. His assertion here underscores the rarity of true dedication, implying that when one pours every ounce of passion into their work, they distinguish themselves in a sea of mediocrity.

Artists, throughout history, have faced an ever-evolving landscape of styles, movements, and societal expectations. However, amidst these changing tides, those who have truly left an indelible mark on the art world and beyond are those who have committed deeply to their craft. By investing our whole hearts into our creations, we not only refine our skills but also convey a depth of emotion and intention that speaks volumes more than technique alone. Hubbard's words serve as a gentle reminder that in the realm of art, as in life, genuine passion and commitment are the true differentiators that set us apart.

---

We hope you will be inspired by the wisdom, and our interpretation thereof, of Elbert Hubbard, plus we made this unique little portrait to begin the creative process. Time to start your creative process!