i found the attached .png diagram helpful to
me as i was starting to learn.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: sewingmach.png
Type: image/png
Size: 158818 bytes
Desc: not available
URL: <http://www.noisebridge.net/pipermail/sewing/attachments/20110421/9814cfab/attachment.png>