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You’ve mastered straight lines and perfect squares, but those gentle arcs and flowing curves still come out wobbly—or worse, you avoid them altogether. Most quilters face this same roadblock until they discover that curved designs don’t require freehand wizardry.
Specialized quilting rulers for curved designs turn intimidating arcs into guided precision, letting your rotary cutter follow smooth paths as confidently as it slices straight edges. From petaled orange peels to sweeping drunkard’s paths, the right curved ruler transforms complex techniques into repeatable patterns you’ll nail every time.
These nine rulers bring different strengths to your cutting mat, whether you’re chasing tight quarter-circles or expansive French curves.
Table Of Contents
- Key Takeaways
- What Are Quilting Rulers for Curved Designs?
- Key Features to Look for in Curved Quilting Rulers
- Benefits of Using Curved Rulers in Quilting
- Top Quilting Rulers for Curved Designs
- 1. Clear Sewing Ruler Set
- 2. LJLJ Curved Corner Quilting Ruler
- 3. Acrylic Quilting Ruler Template
- 4. Acrylic Sewing Ruler Set
- 5. Acrylic Curved Corner Cutter Ruler
- 6. Curved Corner Quilting Ruler Template
- 7. LJLJ Sewing Ruler Set
- 8. Curved Corner Cutter Quilt Ruler
- 9. Kigley Drunkards Path Quilting Templates
- Tips for Choosing and Using Curved Quilting Rulers
- Frequently Asked Questions (FAQs)
- Conclusion
Key Takeaways
- Curved quilting rulers transform intimidating arcs into guided precision cuts, letting you create flowing designs like drunkard’s paths and orange peels with the same confidence you’d slice straight edges.
- Look for rulers with durable acrylic construction (70-90 MPa tensile strength), etched markings accurate to ±0.5mm, non-slip backing, and compatibility with your rotary cutter blade size to ensure clean, repeatable cuts.
- The right curved ruler matches your project needs—French curves handle irregular arcs, quarter circles deliver rounded corners, and specialized templates like the Quick Curve Ruler include alignment guides that make complex curved piecing achievable at any skill level.
- Essential safety practices include cutting away from your body, securing fabric with clips to prevent shifting, wearing cut-resistant gloves, and testing your ruler on scraps before making final cuts on your project fabric.
What Are Quilting Rulers for Curved Designs?
Curved quilting rulers are specialized acrylic tools designed to cut precise curved shapes with your rotary cutter. They feature measurement lines, curve guides, and slots that let you create arcs, circles, and flowing designs that straight rulers simply can’t handle.
For small-scale work like coasters or table runners, compact quilting rulers pair perfectly with these curved templates to help you navigate tight angles and mini curves.
Understanding what makes these rulers different from traditional straight edges will help you choose the right tools for your curved piecing projects.
Definition and Purpose of Curved Quilting Rulers
Curved quilting rulers are clear acrylic quilting tools that guide your rotary cutter along smooth arcs, letting you create consistent curved shapes without hand-wobbling. They’re your secret weapon for fabric guidance in sewing curved shapes—from gentle crescents to bold scallops—bringing curve precision to curved quilts that once felt intimidating.
These rulers transform curved edge techniques into repeatable wins, boosting quilting accuracy while unlocking design possibilities straight edges can’t touch. For more guidance on selecting the right quilting rulers for your projects, explore additional resources.
Types of Curved Rulers Used in Quilting
You’ll find several quilting rulers that make curved cutting a breeze. French Curves trace complex irregular arcs, while Quarter Circles deliver perfect rounded corners in standard radii.
Orange Peels create repeating petal patterns for backgrounds, and Concave Cutters pair with convex edges for symmetrical motifs. The Quick Curve Ruler streamlines sewing curved shapes with built-in alignment guides, transforming curved quilts from challenging to conquerable.
Pattern makers often rely on curved rulers for sewing essentials to draw accurate seam lines and adjust garment shapes.
How Curved Rulers Differ From Straight Rulers
Unlike straight rulers that measure rigid lines, curved rulers guide your rotary cutter through smooth arcs with edge precision that straight edges can’t match.
Quick Curve Ruler and other Sew Kind of Wonderful tools offer design flexibility for curved quilts, letting you trace consistent petals and waves. Ruler materials include clear acrylic for visibility, while specialized cutting techniques transform traditional blocks into flowing curved sewing masterpieces.
Key Features to Look for in Curved Quilting Rulers
Not all curved rulers are created equal. The right features can make the difference between frustration and beautiful, precise curves every time you cut.
Here’s what you need to look for when choosing a curved quilting ruler.
Material and Durability Considerations
You want quilting rulers that endure hundreds of cuts without flexing or chipping. Acrylic offers tensile strength around 70 to 90 MPa, resisting warping in your workspace.
Consider these ruler materials and their edge durability:
- Thick acrylic sections maintain curve accuracy under pressure
- Higher durometer plastics show greater wear resistance
- Smooth surfaces reduce friction against cutting mats
- Rounded corners improve handle ergonomics and safety
Specialty rulers built from durable materials outlast basic quilting supplies.
Markings and Measurement Accuracy
You’ll achieve Arc Precision when etched grid lines and curved guides align within plus or minus 0.5 mm—that’s the Accuracy Standard serious quilters demand.
Quick Curve Ruler markings use 1/8 inch increments for Curve Measurement, while radius guides from 1 to 6 inches guarantee consistent repeats. Ruler Calibration matters: verify against a known circle before starting complex projects, guaranteeing Precision Cutting every time.
Non-Slip Backing and Safety Features
Beyond precision markings, your curved ruler needs Grip Materials that won’t budge during critical cuts. Backing Types like silicone dots and textured PVC create the friction you deserve—some Quick Curve Ruler models feature non-slip surfaces that hold firm through 100+ rotary passes.
- Safety Locks: Edge ridges engage your mat to prevent skidding mid-cut
- Edge Protectors: Corner guards keep fingers away from your blade path
- Vibration Control: Hydraulic pads absorb motion for steadier curves
- Durable backing: Resists staining from fabric dyes in busy studios
- Easy maintenance: Wipe-clean surfaces preserve grip between projects
Compatibility With Rotary Cutters and Sewing Machines
Your rotary cutter‘s blade size—28 mm or 45 mm—determines whether your curved ruler delivers clean arcs or ragged edges. Quick Curve Ruler models feature smooth acrylic surfaces that prevent blade snagging during sewing curves, while non-slip backing ensures Rotary Compatibility across multiple passes without shifting your fabric layers.
| Feature | Benefit |
|---|---|
| Flat acrylic design | Maintains Sewing Accuracy with presser foot clearance |
| Template alignment holes | Facilitates Machine Integration for computerized workflows |
| Beveled safety edges | Protects fingers during Cutter Blade Safety operations |
| Standard seam guides | Delivers Curve Precision on curved quilts every time |
Benefits of Using Curved Rulers in Quilting
Curved rulers transform your quilting from predictable to stunning quilting. They reveal design possibilities you can’t achieve with straight edges alone, while giving you the control and precision that makes complex curves actually doable.
Whether you’re just starting out or pushing creative boundaries, understanding these benefits will help you see why curved rulers have become essential tools.
Enhancing Quilt Design Versatility
Curved rulers open up creative territory straight edges can’t touch. Your Quick Curve Ruler transforms rigid grids into flowing compositions that enhance any quilt design.
- Modern charm: Arc-driven curved block patterns break free from traditional squares
- Expressive borders: Quilt border designs with gentle sweeps add movement and sophistication
- Signature style: Sewing curves lets you craft distinctive quilts that showcase your artistic vision
- Endless possibilities: Quilting rulers and accessories expand your creative vocabulary beyond rectangles
Achieving Precision in Curved Patterns
Precision measurement separates guesswork from mastery when you’re working with curved patterns. Your Quick Curve Ruler delivers ruler calibration that lets you trace arcs to 1/16 inch accuracy—essential for sewing curves and angles that align perfectly.
Arc alignment guides on quilting rulers and accessories keep every cut true, while curve cutting tips help you select fabric and position templates for error-free curved sewing. That control transforms quilt making techniques from challenging to commanding.
Saving Time With Accurate Cutting
When you slice fabric in one smooth pass with a rotary cutter and quilt ruler, you eliminate the tedious redrawing that steals your creative momentum. Your Quick Curve Ruler locks in curve precision—no re-cuts from drift or guesswork.
That’s cutting efficiency at work. Bright markings on quilting rulers and templates boost accuracy tips, while consistent arch shapes accelerate fabric optimization and time management across every curved cutting session.
Suitable Skill Levels for Curved Ruler Use
You’ll master curved sewing whether you’re just learning or already confident—these quilting rulers and templates adapt to every skill level.
Beginner tips center on gentle arcs and stable grips, while intermediate quilter profiles show curve mastery through combined shapes.
Advanced learning paths perfect seam allowances with precision quilt making, so your skill assessment guides which sewing techniques and quilting tools reveal your next achievement.
Top Quilting Rulers for Curved Designs
You’ve got plenty of options in the area of curved quilting rulers, and finding the right one can transform your next project.
The tools below range from beginner-friendly templates to precision instruments for complex curves. Here’s a closer look at nine rulers that’ll help you cut clean arcs and bring your curved designs to life.
1. Clear Sewing Ruler Set
This transparent acrylic set gives you 1/16 to 1/8 inch markings for exact cuts. You’ll find 1/8 inch grids with inch marks that speed up alignment across fabric. The 1/2 inch hole centers help position patterns perfectly.
These flexible rulers bend with curved designs but stay firm for straight edges. You get 1/8 and 1/4 inch increments for calculating seam allowances. The clear construction lets you see fabric underneath while marking. Bold grid lines every inch make visual estimates quick during pattern work.
| Best For | Beginner sewers, crafters, and hobbyists who need an affordable multi-purpose ruler set for quilting, embroidery, and general pattern work. |
|---|---|
| Material | Acrylic |
| Design | Transparent |
| Size | 9-piece set |
| Primary Use | Multi-purpose sewing/quilting |
| Skill Level | Beginners to advanced |
| Durability | Thin plastic |
| Additional Features |
|
- Clear acrylic material lets you see fabric underneath while measuring and marking
- 9-piece set covers multiple sewing needs including curves, straight edges, and seam allowances at a budget-friendly $9.99
- Compact design with protective case makes it easy to take projects anywhere
- Thin plastic construction may not hold up well with heavy or long-term use
- Some rulers are too small for full-size adult pattern designs
- Quality isn’t professional-grade and rulers may be too flexible for precision work
2. LJLJ Curved Corner Quilting Ruler
The LJLJ 6×6 inch square ruler brings three radius options to your cutting table: 1-1/2, 2, and 3 inches. You’ll see black marks at 45 and 90 degrees on each curve, plus 1/8 inch gridlines that align with standard quilting measurements.
The transparent acrylic lets you track fabric patterns while positioning cuts. This ruler works perfectly for rounded corners on blocks up to 6 inches. Just remember it can slip on fabric, so apply firm pressure when cutting those gentle arcs.
| Best For | Quilters who need a compact, travel-friendly ruler for adding rounded corners to standard 6-inch blocks and smaller patchwork projects. |
|---|---|
| Material | Acrylic |
| Design | Transparent |
| Size | 6 x 6 inches |
| Primary Use | Quilting blocks |
| Skill Level | All levels |
| Durability | Standard acrylic |
| Additional Features |
|
- Three radius options (1-1/2″, 2″, and 3″) with clear degree markings make it easy to create consistent curved corners
- Transparent acrylic and 1/8″ gridlines let you see fabric patterns and align cuts precisely
- Compact 6×6 inch size is perfect for portability and won’t take up much space in your sewing kit
- Slippery surface requires extra pressure to keep it stable while cutting
- Limited to 6-inch blocks, so it won’t work for larger curves or circles
- Edges can get damaged by rotary cutters, and there are no grip feet to hold it in place
3. Acrylic Quilting Ruler Template
Clear 3mm to 6mm acrylic templates give you rigid edges that won’t flex during cutting. You’ll find laser-cut precision with grid lines and angle indicators etched right into the material—these marks won’t fade after hundreds of cuts.
The templates include curved segments sized for drunkards path and corner curves, with sets offering multiple radii to cover common design needs. They resist cracking under rotary pressure and maintain optical clarity so you can see fabric placement. Just store them carefully since heavy impact can chip those precise edges.
| Best For | Quilters who need a reliable square ruler for cutting fabric strips, trimming blocks, and creating precise patchwork with clear visibility of fabric underneath. |
|---|---|
| Material | Acrylic |
| Design | Transparent |
| Size | 6 x 6 inches |
| Primary Use | Quilting/patchwork |
| Skill Level | All levels |
| Durability | Sturdy construction |
| Additional Features |
|
- Clear acrylic lets you see your fabric patterns while cutting, making alignment way easier
- Multiple angle guidelines built right in help you nail those diagonal cuts and corner triangles
- Sturdy 3mm construction holds up to rotary cutter pressure without flexing or warping
- Edges can be sharp out of the box and might need a quick smoothing before use
- Can slide around on slippery fabrics if you don’t hold it firmly or use a gripper
- Some units ship with protective film that you’ll need to peel off before the markings are fully visible
4. Acrylic Sewing Ruler Set
This three-piece set delivers durability at $6.99, though you’ll need to accept trade-offs. The acrylic construction holds up through frequent use, but some quilters report a flimsy feel and thin material.
You get a French curve and hip curve rulers with bonus clips, erasable pens, and scissors—perfect for traveling to workshops. Watch the measurements: most pieces use cm or mm, only the 90° ruler shows inches.
Shipping damage occurs occasionally, so inspect your order immediately. For beginners exploring curved work without major investment, it’s worth trying.
| Best For | Beginner sewists who want to try curved pattern work without spending much, especially if you need travel-friendly tools for workshops. |
|---|---|
| Material | Acrylic |
| Design | Transparent |
| Size | 3-piece set |
| Primary Use | Pattern making |
| Skill Level | Beginners to advanced |
| Durability | Thin/flimsy |
| Additional Features |
|
- Comes with useful bonus items like clips, erasable pens, and scissors for just $6.99
- Transparent acrylic lets you see your fabric clearly while marking patterns
- Includes both French curve and hip curve rulers for different design needs
- Material feels thin and flimsy compared to higher-quality rulers
- Most measurements are in cm/mm instead of inches, which can confuse some users
- Reports of items arriving broken or damaged during shipping
5. Acrylic Curved Corner Cutter Ruler
Quilax brings you a 6.5 x 6.3-inch tool weighing just 3.53 ounces—light enough to toss in your project bag. You’ll find 1.5″, 2″, and 3″ radius markings plus 45° and 90° indicators etched right into the clear acrylic.
The smooth surface glides effortlessly across fabric while you cut rounded corners for quilts, placemats, or tablecloths. At this price point, expect thinner acrylic than premium alternatives. Remember to add your seam allowance since the markings don’t account for it automatically.
| Best For | Quilters and crafters who need a lightweight, portable tool for cutting consistent rounded corners on fabric projects like quilts, placemats, and tablecloths. |
|---|---|
| Material | Acrylic |
| Design | Clear |
| Size | 6.5 x 6.3 inches |
| Primary Use | Rounded corners |
| Skill Level | All levels |
| Durability | Thinner acrylic |
| Additional Features |
|
- Clear acrylic design with multiple radius options (1.5″, 2″, 3″) and angle markings makes it easy to see your fabric and cut precise curves
- Compact size and light weight (under 4 ounces) means you can take it anywhere without adding bulk to your sewing kit
- Smooth surface glides across fabric without snagging, speeding up your cutting process
- Thinner acrylic construction feels less sturdy than higher-priced corner cutters on the market
- No instructions included, so beginners might struggle to figure out how to use it effectively
- Radius markings don’t include seam allowance, meaning you’ll need to calculate and adjust measurements yourself
6. Curved Corner Quilting Ruler Template
Standard six-by-six footprint gives you control over quarter-circle and half-circle shapes from 1.5″ to 3″ radii. You’ll spot bold 45° and 90° alignment guides printed right on the transparent acrylic, making it simple to match existing seam lines without guesswork.
The integrated gripper backing keeps fabric locked down during rotary cuts—no sliding, no do-overs. Perfect for drunkard’s path blocks or soft rounded corners on squares. Some quilters mention shipping damage, so inspect yours immediately. At this price, it’s a solid workhorse for mastering curves.
| Best For | Quilters and sewers who need precise curved corners for drunkard’s path blocks, placemats, or any project requiring consistent quarter-circle and half-circle cuts. |
|---|---|
| Material | Acrylic |
| Design | Transparent |
| Size | 6.06 x 6.06 inches |
| Primary Use | Curved corners |
| Skill Level | All levels |
| Durability | Standard acrylic |
| Additional Features |
|
- Gripper backing prevents fabric from shifting during rotary cutting, eliminating mistakes
- Clear alignment guides at 45° and 90° make it easy to match seam lines without measuring twice
- Handles multiple radius sizes (1.5″ to 3″) in one compact 6×6 template
- May arrive damaged in shipping, requiring immediate inspection
- Size might not fit every project—some users need larger or smaller options
- Build quality can be inconsistent compared to premium name-brand rulers
7. LJLJ Sewing Ruler Set
Nine pink metric rulers facilitate fast pattern work and precise curved blocks. You’ll find French curves, armhole guides, and specialty shapes for everything from drunkard’s path arcs to appliqué templates.
The lightweight plastic flexes enough for comfort without losing accuracy during long cutting sessions. Etched graduations resist fading, and clear acrylic lets you position over fabric marks confidently. Ships with protective sleeves to prevent scratches. One ruler includes imperial units—handy when you switch between systems.
A solid toolkit for quilters ready to expand beyond straight seams.
| Best For | Quilters, fashion designers, and pattern makers who work primarily in metric measurements and need specialized curved rulers for intricate cutting and drafting work. |
|---|---|
| Material | Plastic |
| Design | Clear/Pink scale |
| Size | 9-piece set |
| Primary Use | Sewing/quilting |
| Skill Level | Beginners to experienced |
| Durability | High-quality material |
| Additional Features |
|
- Nine different ruler styles including French curves and armhole guides cover a wide range of sewing and pattern-making tasks
- Clear acrylic material with etched graduations allows you to see fabric markings while maintaining precision over time
- Flexible enough for comfortable extended use without sacrificing accuracy during cutting sessions
- Primarily metric measurements may require adjustment if you’re accustomed to working in imperial units
- Some users report the rulers feeling too small or thin for certain applications
- Only one ruler in the set includes imperial measurements, limiting versatility for mixed-system projects
8. Curved Corner Cutter Quilt Ruler
Two 6×6 inch acrylic rulers deliver eight curve types plus right angles—your toolkit for rounded corners on placemats, quilts, and tablecloths. You’ll cut radii from 1/2 inch to 3-1/2 inches with black 45-degree and 90-degree markings that align instantly.
The 0.12 inch thickness won’t warp, and detailed grid lines keep your cuts true. Press firmly to activate the grip that holds fabric steady during rotary work. Effortless binding follows naturally when every corner matches.
Clear acrylic lets you track fabric patterns beneath your placement.
| Best For | Quilters and sewers who want consistent rounded corners on projects like placemats, tablecloths, and quilts without the hassle of adjusting bindings at sharp angles. |
|---|---|
| Material | Acrylic |
| Design | Clear |
| Size | 6 x 6 inches |
| Primary Use | Curved corners |
| Skill Level | All levels |
| Durability | 0.12 inch thick |
| Additional Features |
|
- Eight curve radius options (1/2 to 3-1/2 inches) give you flexibility for different project sizes
- Clear acrylic lets you see fabric patterns underneath while you work
- Grid lines and angle markings make alignment fast and accurate
- You’ll need to press down hard to keep the ruler from sliding on fabric
- Requires extra tools like a marking pen to trace curves before cutting
- The 0.12-inch thickness might feel flimsy compared to thicker rulers
9. Kigley Drunkards Path Quilting Templates
You’ll cut three sizes—10, 8, and 6 inches—of Drunkard’s Path blocks with these 3mm acrylic templates. Kigley built in a quarter-inch seam allowance and alignment notches so your convex and concave arcs lock together square every time.
The bright clear material shows dark and light fabrics beneath your rotary blade, and laser-cut edges deliver clean curves without distortion. Handle them gently; acrylic can chip under force.
Reusable across quilts, patchworks, and appliqué, they minimize waste while you master curved piecing.
| Best For | Quilters who want to tackle curved piecing with three flexible block sizes and need templates that show up clearly on any fabric color. |
|---|---|
| Material | Acrylic |
| Design | Bright clear |
| Size | 10, 8, 6 inches |
| Primary Use | Drunkards path quilts |
| Skill Level | All levels |
| Durability | 3mm thick acrylic |
| Additional Features |
|
- Built-in quarter-inch seam allowance and alignment notches take the guesswork out of matching curves
- Bright acrylic lets you see your fabric underneath, so you position cuts exactly where you want them
- Three sizes in one set give you layout options without buying separate templates for each block dimension
- Acrylic can chip or crack if you press too hard with a rotary cutter, so you need a gentle hand
- Instructions might leave beginners confused about how to use the convex and concave pieces together
- Edges occasionally have minor waves, though they’re usually small enough that they don’t mess up your cuts
Tips for Choosing and Using Curved Quilting Rulers
You’ve found the perfect curved ruler, but knowing how to choose and use it makes all the difference in your quilting success.
The right ruler won’t just sit in your toolbox—it’ll become your go-to companion for every curved project you tackle.
Here’s what you need to know to get the most out of your curved quilting rulers.
Matching Rulers to Project Types
Your quilt patterns determine your ruler selection. Strip piecing and color appliqués shine with curved rulers that deliver repeating arcs.
Hunter star blocks demand specific templates to preserve symmetry. For Dresden plate sections, you need precise circular segments.
The Quick Curve Ruler Mini excels at smaller curved blocks, while full-size curved sewing tools handle larger project planning. Match your quilting tools to your fabric choices and curved block designs.
Maintaining and Cleaning Acrylic Rulers
Your rulers stay sharp when you protect them right. Wipe acrylic quilters rulers with mild dish soap and warm water—safe cleaners won’t cloud the surface. Dry with lint-free cloth to keep markings care intact.
For residue removal on your Quick Curve Ruler Mini or Wonder Curve Ruler, gently lift adhesive with soap solution. Smudge control means using microfiber for fingerprints.
- Use mild dish soap and warm water for safe cleaning
- Dry with soft cloth to prevent water spots
- Avoid harsh solvents that damage acrylic markings
- Remove sticky residue gently with soap solution
- Wipe fingerprints with microfiber for clarity
Safety Tips for Cutting Curved Shapes
Blade safety starts before you touch the Quick Curve Ruler Mini. Always cut away from your body—keep fingers clear of the rotary path when handling curved cutting edges.
Secure fabric with clips so it won’t shift during curved sewing strokes. Wear cut-resistant gloves for injury prevention with sharp quilting tools, and test ruler handling on scraps before final fabric preparation cuts.
Frequently Asked Questions (FAQs)
What are those curved rulers called?
In the sewing world, you’ll find French curves and hip curves—each shaped for different contours.
Quilters lean toward specialized tools like the Wonder Curve Ruler and Mini Quick Curve Ruler from Sew Kind of Wonderful.
Are digital curve rulers available?
Yes, downloadable curved rulers exist in vector formats like AI and SVG for Adobe Illustrator. They include French curves and hip curves with precise markings, compatible software, and online tutorials for digital patternmaking workflows.
Can beginners use curved quilting rulers effectively?
Like learning to drive stick shift, your first curved ruler feels tricky—but you’ll master it fast.
Beginner Projects with gentle arcs build confidence. Sew Kind of Wonderful Rulers include Skill Building Exercises for Sewing Curves and Angles smoothly.
How do you prevent fabric slipping during cuts?
You’ll master slip prevention with sharp blade maintenance, cutting mats featuring grip lines, and ruler stabilization through non-slip backing.
Tools like Wonder Curve Ruler and Sew Square 6 incorporate rubberized surfaces ensuring fabric grip throughout each pass.
What curved shapes work best for borders?
Ironically, the simplest curved borders—gentle S curves, scalloped edges, and convex arcs—create the most visual impact.
Teardrop shapes and sinuous borders add elegance without overwhelming your quilting patterns, perfect for circle blocks and free-form curved piecing.
How do you store curved rulers properly?
Store your curved rulers flat in labeled compartments lined with soft fabric.
Use vertical slotted organizers or wall-mounted systems for quick access. Keep them away from heat and sunlight to prevent warping.
Conclusion
Think of your next curved masterpiece waiting on the other side of hesitation—those graceful arcs won’t cut themselves. Armed with the right quilting rulers for curved designs, you’ll transform intimidating patterns into predictable victories.
Whether you’re tackling drunkard’s paths or orange peels, these nine rulers deliver the precision your vision deserves. Stop wrestling with wobbly curves. Grab your rotary cutter, select your ruler, and watch those flowing designs fall perfectly into place.
