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Big Block Duvet

Big Block Duvet: Sizes, Fabric Requirements, and How to Make It

The Big Block Duvet is a batting-free duvet-cover pattern with twin, full/queen, and king options. Compare dimensions, yardage, square counts, and construction.

By ThatPainter Team 2 min read
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The Big Block Duvet is a pieced-cotton duvet cover pattern, not a conventional quilt with batting. It comes in twin, full/queen, and king sizes; the squares are joined into a simple grid, then the pieced top is attached to a backing and closed on one side with hook-and-loop tape. The American Patchwork & Quilting Editors published the pattern on June 14, 2013, so treat its instructions as a dated pattern page, not a recently tested revision.

What the Big Block Duvet pattern makes

The pattern turns a pieced quilt top into a duvet cover that can go over a comforter. The publisher describes the result as “summer weight” because the cover is finished without batting. That construction is the key difference from a standard layered quilt: the pieced top and backing form a cover, rather than a quilt sandwich with batting in the middle.

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The publisher says the cover can custom-cover a comforter and refresh a bedroom’s look. The pattern page does not specify a particular comforter brand or give separate fitting instructions for different comforter lofts.

Choose a size and check the fabric quantities

The pattern lists three options. Full and queen are combined as one size; there are no separate full and queen versions. Yardages below are for 44/45-inch-wide, 100% cotton fabric, and the pattern says measurements include a 1/4-inch seam allowance.

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Bedsure Prewashed Duvet Cover King, Cotton-Like Soft Bedding Set, Linen
  • Extra Soft: Featuring premium polyester microfiber material, this prewashed duvet cover set offers exceptional softness so you can enjoy a deep night's sleep. Smooth and breathable, its texture provides coziness without any crinkly noise.
  • Lightweight: Crafted to maintain the perfect balance between weight and warmth. Ideal for usage all year round.
  • Elevated Home Decor: With a relaxed vibe and gorgeous natural texture, Bedsure's duvet cover set fits seamlessly into any space. The solid hue–available in multiple colors–adds an extra element of personalization, making it easy to coordinate with your room's decor.
  • Thoughtful Details: Eight corner ties inside the duvet cover ensure a secure fit to prevent the filling from bunching. The zipper allows you to seal off your comforter more quickly (and easily) than with a traditional button closure.
  • Enhanced Durability: Made with unmatched quality, this long-lasting duvet cover set features neat stitching to create a more robust connection at the seams for improved durability. Bedsure's unique dyeing technique enhances the color while preventing fading.
Size Finished cover Assorted prints Border fabric Backing Closure
Twin 66 × 86 inches 3 7/8 yards 1 yard 2 5/8 yards Hook-and-loop tape
Full/queen 86 × 86 inches 5 yards 1 yard 2 5/8 yards Hook-and-loop tape
King 104 × 86 inches 6 1/4 yards 1 1/8 yards 9 1/4 yards Not stated for king in the materials list

These are the pattern’s stated quantities, not a guarantee that every fabric choice or layout will work with less. Check the original size-specific materials list before buying, especially for king: the king list differs substantially in backing yardage and does not list hook-and-loop tape, although the instructions direct larger sizes to repeat the twin closure steps.

How the blocks are arranged

The center is a grid of 10 1/2-inch squares. Select the size first, since that determines both the number of squares and the row arrangement.

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Bedsure Prewashed Duvet Cover Queen, Bedding Set with Zipper Closure, White
  • Extra Soft: Featuring premium polyester microfiber material, this prewashed duvet cover set offers exceptional softness so you can enjoy a deep night's sleep. Smooth and breathable, its texture provides coziness without any crinkly noise.
  • Lightweight: Crafted to maintain the perfect balance between weight and warmth. Ideal for usage all year round.
  • Elevated Home Decor: With a relaxed vibe and gorgeous natural texture, Bedsure's duvet cover set fits seamlessly into any space. The solid hue–available in multiple colors–adds an extra element of personalization, making it easy to coordinate with your room's decor.
  • Thoughtful Details: Eight corner ties inside the duvet cover ensure a secure fit to prevent the filling from bunching. The zipper allows you to seal off your comforter more quickly (and easily) than with a traditional button closure.
  • Enhanced Durability: Made with unmatched quality, this long-lasting duvet cover set features neat stitching to create a more robust connection at the seams for improved durability. Bedsure's unique dyeing technique enhances the color while preventing fading.
Size Squares Grid
Twin 48 6 rows of 8
Full/queen 64 8 rows of 8
King 80 8 rows of 10

The instructions have you sew the squares into rows and join the rows to form the center. Border strips are added around that pieced center before the top is joined to the backing.

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Basic construction sequence

  1. Cut the number of 10 1/2-inch squares required for your chosen size, using the pattern’s specified assorted prints.
  2. Sew the squares into the stated number of rows, then join the rows to make the center panel.
  3. Add the border strips as directed in the pattern.
  4. Join the duvet top to the backing on three sides.
  5. Finish the open fourth side with hook-and-loop tape, following the pattern’s closure directions. For full/queen and king, the instructions refer to repeating the twin-size border and closure steps.

For exact cutting and assembly directions, use the Big Block Duvet pattern page. The published page is dated June 14, 2013; it does not state a current independent testing date or a skill-level rating.

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SAPHREAS Blue Geometric Pattern Duvet Cover Set 3pcs King Size 100% Cotton Colorful Blocks Bedding Comforter Cover Set 1 Duvet Cover 2 Pillow Cases
  • 【Modern Geometric Design】: This SAPHREAS cotton duvet cover set, featuring a serene abstract pattern in shades of blue and yellow, brings a sense of calm and vibrancy to your bedroom. The soft cotton material ensures a comfortable sleep, while the modern design makes this zipped bedding set a stylish addition to any contemporary decor.
  • 【Premium Soft Fabric】: Made of high-quality 100% pure cotton, this comforter cover set offers a soft, smooth feel against the skin, providing a luxurious sleeping experience. The fabric is durable, wrinkle-resistant, and designed to last through many washes.
  • 【Convenient Details】: With 8 corner ties on the edges and corners, this 100% cotton duvet cover set snugly fits more than 95% comforter duvet inserts. The durable zipper closure provides easy access to swap and replace the duvet insert when needed.
  • 【Easy to Care For】: Machine washable and easy to maintain, this duvet covers set retains its vibrant colors and softness even after multiple washes. It's a low-maintenance addition to your bedding collection.
  • 【What You Get】: This king duvet cover set includes: 1pc king size duvet cover 104"x90", 2pcs standard pillow shams 20"x36" with a 1.2" flanged edge. COMFORTER INSERT IS NOT INCLUDED.
Rank #4
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Bedsure Prewashed Duvet Cover King, Bedding Set with Zipper Closure, White
  • Extra Soft: Featuring premium polyester microfiber material, this prewashed duvet cover set offers exceptional softness so you can enjoy a deep night's sleep. Smooth and breathable, its texture provides coziness without any crinkly noise.
  • Lightweight: Crafted to maintain the perfect balance between weight and warmth. Ideal for usage all year round.
  • Elevated Home Decor: With a relaxed vibe and gorgeous natural texture, Bedsure's duvet cover set fits seamlessly into any space. The solid hue–available in multiple colors–adds an extra element of personalization, making it easy to coordinate with your room's decor.
  • Thoughtful Details: Eight corner ties inside the duvet cover ensure a secure fit to prevent the filling from bunching. The zipper allows you to seal off your comforter more quickly (and easily) than with a traditional button closure.
  • Enhanced Durability: Made with unmatched quality, this long-lasting duvet cover set features neat stitching to create a more robust connection at the seams for improved durability. Bedsure's unique dyeing technique enhances the color while preventing fading.
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Levtex Home Adare Sage Reversible King Duvet Cover Set (106x94in) with 2 Pillow Shams (36x20in) - Floral Bedding - Sage and White - Cotton King Size Duvet Cover Set - Soft, Pre-Washed
  • 100% Cotton Comfort. Made with a 100% cotton fabric, this botanical bedding king bedding set is soft, breathable, and pre-washed for extra comfort. The duvet cover is unfilled, designed to be used with your favorite duvet insert for customizable warmth. This duvet cover is perfect for layering throughout the year.
  • Reversible Designer Pattern. Inspired by block-print textiles, Adare Sage duvet cover king size set showcases botanical motifs in sage, charcoal and white tones. The reverse features a coordinating vine stripe pattern, giving you two designer looks in one. This versatile design brings artisanal charm and visual depth to your bedroom.
  • Versatile Designer Styling. With its sage, charcoal, white palette, this duvet cover king size is ideal for coastal, cottage, farmhouse, or transitional interiors. It creates an instant designer look with its classic motif and artisan detailing.
  • Easy Care and Lasting Quality. Machine wash cold with like colors on gentle cycle. Tumble dry low. No bleach needed. The duvet and pillowcases are machine washable for easy care. Pre-washed to minimize shrinkage and ensure long-lasting durability. Reinforced stitching resists wear through multiple washes.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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