WPI and Twist Guide

R34.50

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The WPI and Twist Guide – the perfect multipurpose tool to measure your yarn. A good tool to have for all yarn crafts.

Wraps per inch indicate the weight of your yarn, twist angle indicates feel and strength.

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  • Description

    Description

    The WPI and Twist Guide is the perfect multipurpose tool to measure your yarn.

    Measure the degrees of your yarn and determine the wraps per inch by either wrapping on the inch measure or placing your yarn on the WPI guide.

    A WPI and Twist guide is essential, for spinners who want to spin consistent yarns.¬† It’s a handy tool to have for anyone who uses yarn, since knowing the weight/gauge/thickness, feel and strength of your yarn is important to the outcome of your project.

    Whether you’re spinning your own or need to substitute the prescribed yarn in a pattern, this little tool is what you need.

    Wraps per Inch

    The WPI and Twist Guide gives you 2 methods of measuring the WPI (wraps per inch) of your yarn.

    • Counting the WPI¬† wind your yarn around the inch gap, being careful not to stretch it. Make sure that the wraps touch each other without overlapping. When you have filled the inch gap, count the number of wraps then use the WPI guide chart to check what weight your yarn is.
    • The WPI guide lines are great to test your measurement. Hold your yarn over the line for your specified thickness to check that it closely matches the width of the line.¬† The chart will confirm which range of weights your yarn belongs to. It’s also a great way to keep checking your hand spun yarn if it needs to be consistent.
    Twist

    Use the Twist Guide to measure the the TPI (twist per inch) and the twist angle of your yarn.

    • To work out the TPI, lay your yarn along the 2 inch guide. Count the number of twists in the yarn between the 0 and 2″ markers and divide by two to get your TPI measurement. Measuring across 2 inches is more accurate, especially when working with thicker yarns.¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† ¬† Finer yarns will have a higher TPI than thicker yarns to achieve the same twist angle.
    • To measure the twist angle, lay your yarn along the centre of the guide and match the twist to the closest twist angle line.

    The twist angle of your yarn will determine how it feels and how strong it is. A loosely twisted yarn, with a low twist angle, will feel beautifully soft but will not be as strong as tightly twisted yarn with a high twist angle.

    The twist angle of your yarn is an indication of what projects it will be suitable for.

    • Up to 10 degrees: This yarn is very soft and will not stand any hard wear.¬† Such soft yarns are susceptible to pilling.
    • 15 – 20 degrees: Both singles and plied yarns¬† will¬† feel soft and comfortable but have the strength to endure normal wear.
    • 25 – 35 degrees: This yarn will feel harder and is stronger and more hard wearing.
    • 40 – 45 degrees: This is a very strong yarn that will feel hard.

    Size

    15 cm x 5 cm, engraved on both sides

    Available as

    WPI and Twist Guide comes in packs of 1

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  • Additional information

    Additional information

    Weight 15 g
    Dimensions 15 × 5 × 1 cm
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