Flex Design Rule is a vinyl covered 20 lead flexible design curve that is easily positioned for designing and drafting different shapes. A 1/4 width with drawing lip for marking accurate lines and quilt seam allowances. Great for measuring curved seams and designing curved quilt border patterns.

  • Holds position without support
  • 16-inch/ 40cm
  • One side in inch, one side in centimetres

Delivery Options

Standard Delivery

From £1.33, or free when you spend £25 or more.

First Class Delivery

From £1.58, or free when you spend £60 or more.

Next Day Delivery

Order by 11am (subject to change during promotions), available 7 days a week for £7.99. This may not be available during public holidays or weekends. Usually delivered between 9am and 8pm.

Click & Collect

Free, pick up from our store at 205 Old Kent Road, London, SE1 5NA. Open Mon-Fri 11am-3pm.



  • Product Code: 9R-T229-EBTW
  • Availability: In Stock
  • £8.49


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5 or more - 5% OFF

10 or more - 7% OFF

20 or more - 10% OFF