Bernina B 570 - Page 33

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DRAFT – VERSION
3.9.2 Zigzag stitch (default settings)
Criteria
• Is the stitch formation symmetrical?
• Is the stitch formation on both sides of the fabric regular?
• Does the bobbin thread show on the right side of the fabric? It shouldn’t.
• Do the threads interlock in the middle or on the wrong side of the fabric?
• Is the interlocking of the needle thread and bobbin thread on the wrong side of the fabric regular?
• Does no puckering occur?
• Is the seam free of skipped stitches?
3.9.3 Satinstitching (stitch width 5.0, stitch length 0.4)
Criteria
• Is the stitch formation symmetrical?
• Is the stitch formation on both sides of the fabric regular?
• Does the bobbin thread show on the right side of the fabric? It shouldn’t.
• Do the threads interlock in the middle or on the wrong side of the fabric?
• Is the interlocking of the needle thread and bobbin thread on the wrong side of the fabric regular?
• Does no puckering occur?
• Is the seam free of skipped stitches?
Needle-thread stitching target state
Bobbin-thread stitching target state
Bobbin-thread stitching target state
Needle-thread stitching target state