Hello Sue and everyone

For a pattern for a garment, using a minimal number of bobbins, the broad
answer is 'lots' of thread.
Passive pairs use a measured amount, the length of the trail. Weavers, lots
more, at a guess 3 to 6 times the length of the passives depending on the
pattern, and the amount of filling. If using a sewing edge/pin after 4 the
weavers trade places so less thread is needed per weaver pair than when
using one weaver pair all the way through, but the weavers will still need
'lots.'
One can get a good idea of the amounts per passive by placing a single
thread all along the curving trail, then measuring that thread. I do this
for the entire length if it is a small Russian tape pattern, could get away
with measuring a quarter of the design if it is large, multiply by 4 for
the length per passive bobbin.
Allow more thread on the passive edge pairs for the extra twist, if using
CTCT at the edges, and especially for the passive pair that will depart
with the weaver to do any fillings, and though it seems a small amount
allow for the tethers on all bobbins as well!
Hope this helps.

On Thu, Aug 14, 2014 at 10:10 AM, Sue <[email protected]> wrote:

>
> BUT by question is how on earth do I calculate the amount of thread I might
> need to purchase at the same time to make sure I had enough for the whole
> thing.  I have tried in the past to estimate for a set of napkins and
> have...
>
>
-- 
Bev in Shirley BC, near Sooke on beautiful Vancouver Island, west coast of
Canada

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