Yarn Twist 方向指南
线条扭曲方向指南
Yarn Twist Direction Guide
Understand S-twist vs Z-twist, how twist direction affects your knitting, and which to use for your project.
S-Twist
Rotation: Clockwise when viewed from above
Effect: Fibers spiral like the center stroke of "S" — clockwise twist
Bias: Stockinette knit in S-twist yarn tends to bias to the LEFT
Best for: Standard commercial yarns, most handspinning, balanced singles
Z-Twist
Rotation: Counterclockwise when viewed from above
Effect: Fibers spiral like the center stroke of "Z" — counterclockwise twist
Bias: Stockinette knit in Z-twist yarn tends to bias to the RIGHT
Best for: Some traditional spinning, balanced plying with S-twist singles
Bias in Stockinette
When you knit stockinette with energized (unbalanced) yarn, the fabric biases diagonally. The direction depends on the twist direction of the yarn.
S-twist yarn → Left bias
Stockinette fabric spirals counterclockwise
Z-twist yarn → Right bias
Stockinette fabric spirals clockwise
Plying Combinations
| Singles | Plying | Result | Notes |
|---|---|---|---|
| S-twist singles | Z-twist ply | Balanced 2-ply | Most common handspun method |
| Z-twist singles | S-twist ply | Balanced 2-ply | Alternative traditional method |
| S-twist singles × 2 | S-twist re-ply | Cabled yarn | Very strong, round yarn |
| S-twist singles × 3 | Z-twist ply | 3-ply yarn | Round, durable yarn for socks |
| Z-twist singles | Z-twist ply | Energized singles | Textured, springy yarn |
Project Recommendations
The standard method for most handspinning. Spin singles clockwise (S), ply counterclockwise (Z).
How to Use
- Review the S-twist and Z-twist comparison cards to understand each direction.
- Check the bias section to understand how twist affects stockinette fabric.
- Consult the plying table for common singles + plying combinations.
- Select your project type for specific twist and plying recommendations.
- Use the bias test method to check if your handspun yarn is balanced.
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