Buttonhole length – SINGER 3150 User Manual
Page 71
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c
A
Vertical buttonholes C are placed so that the
centre line A of the garment is in the centre of
the buttonhole, as shown.
•
Mark
the
ends
of
each
buttonhole
horizontally across the centre line basting
and use the centre line marking as the
buttonhole guide when stitching.
Buttonhole Length
•
The buttonhole length should be just long
enough to allow the button to slip through
the opening without stretching it.
•
To make sure the measurement is correct,
cut a slit, in a scrap of fabric equal to the
diameter of the button you intend to use.
•
Increase length of opening urltil button slips
through easily.
This test Is particularly advisable for buttons of
unusual shape or thickness.
69