Project Planning 101 - Jane Stafford Textiles

Project Planning 101

Elementary Math for Weavers

JANE STAFFORD TEXTILES

142 Richard Flack Road

Salt Spring Island, BC V8K 1N4

(250) 537-9468

jane@



?Jane Stafford 2008

Architecture

Graphic

n Sett

based on weave

structure

n Stripes

n Yarn selection

i.e. wool

cotton

acrylic

n Solids

n Desired drape or

stiffness

n Different sizes of

warp and weft

n Plaids

Colour

n Give yourself a

palette of colours you

love. You can¡¯t paint a

colourful picture with

a cone of white yarn.

Yarn + Structure

= Your Canvas

then add:

+ Graphic

+ Colour

Project Planning 101 ? Jane Stafford 2008

Page 1

Things to Think About

1. Sett (based on weave structure)

2. Finished Size

+a. add on¡¯s for width

ie. - draw in and shrinkage

+b add on¡¯s for length

ie. - take-up

- shrinkage

- hems and fringe

3. How many do you want to make?

4. What is your loom¡¯s loss?

Project Planning 101 ? Jane Stafford 2008

Page 2

Calculating Width and

Calculating Warp Length

therefore Weft

Start with the Finished

Start with Finished Width length of one item:

of one item:

______¡±

______¡±

+______¡± take-up

+______¡± draw-in

+______¡± shrinkage

+______¡± shrinkage

+______¡± hems/fringe

=______¡± width in the

=______¡± length of one

reed

item

x______ EPI

x______ number of

=______ total

items to be

number of warp threads

made

=______¡±

Multiply your total

+______¡± loom loss

number of warp ends by

=______¡± length of

the length of your warp and

warp in inches

you will have the number

36

of yards of yarn you need

=______ length of

to make the warp. I cheat

warp in yards

and just double it so I have

enough for my weft.

It¡¯s better to round up than

round down

Project Planning 101 ? Jane Stafford 2008

Page 2b

Planning Your

Requirements

How much do I buy?

epi

x width in reed

= total # of warp ends

x length of warp

= total yardage required for warp!

If you are weaving a balanced piece of cloth

you will need:

ppi

x width of warp (in inches)

x length of warp (in inches)

= total # of inches

36

= total number of yards

Project Planning 101 ? Jane Stafford 2008

Page 3

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