Saturday, February 17, 2018

How to Design 8-Shaft Echo Weave Using Fiberworks

Just finished: this sample above on 8 shafts, in preparation for my workshop at Convergence this July. (For details, click here and scroll down to the eleventh listing.) I'm using 10/2 pearl cotton in the warp, sett at 36 epi, with a 20/2 pearl cotton weft (in black). I like to call it "Many Rivers" because of the vertically flowing design.

In this blog post, I'll try to outline the steps it took to design this in Fiberworks. No easy task, learning how to do this! But it's so worth it: While weaving most any pattern can be a delightful journey, it's a great pleasure to create your own designs and then weave them up to see exactly what happens. I encourage you to try.

So here goes! (Note: I have a Mac, so keep in mind that the commands in Fiberworks may differ slightly for PCs.)

STEP 1: Create a design line

Using the "Draw Freehand" button, I designed curves that change in shape and size. Try it! Any rounded forms will do for starters.

STEP 2: Create a networked threading based on the design line

Click on the drop-down menu under "Warp" and then click "Redraw on network." A box will appear and you want it to have these settings: "No reduction," "Straight Twill" (under "Style of Initial"),  "4" (under "Height of the Initial").  (You do not need to enter anything under "Set Result to X Shafts.") Then click "Apply" and "Accept." Voila! You've created a networked threading.

Notice how the curves in the threading, based on a twill structure, follow the curves of the design line. If you want to learn more about network drafting, the definitive book is written by Alice Schlein.

STEP 3: Create an extended parallel threading

Again in the drop-down menu under "Warp," this time click on "Parallel Repeat," then "Extended Parallel," "Shafts Shift by 4," and then "Apply."

This threading may look at little strange if you're not familiar with extended parallel threadings. (For more on this, read the first four paragraphs of my blog post here.) But look carefully at the threading and compare it with the threading in the previous image: The first and second warp threads in the earlier image are on 1 and 2. In the second image, the extended parallel threading shown above, the first warp end is on 1, followed by its "echo" four shafts higher on 5. The second warp end is on 2, followed by its "echo" four shafts higher on 6. Echo Weave means that the threadings are in two parallel lines. Corkscrew twills are based on this concept as well. The threading goes round and round.

STEP 4: Assign colors to your extended parallel threading

In the "Warp" drop-down, click on "Fill Warp Colors." In the next box, set the colors for "AB," then drag the colors you want from the color panel into boxes A and B. Then click "Replace."

Why use two different colors? As each thread in the original networked draft is followed by its echo or parallel, so you have to distinguish these parallel patterns by using different colors. Otherwise, you wouldn't see the echo! So the colors are always A-B-A-B, etc. (In Marian Stubenitsky's book, Weaving with Echo and Iris, she often designs with as many as four different colors on four parallel threadings, for the beautiful effect that she terms "iridescence.")

STEP 4: Create a twill tieup

That's a simple twill repeat, rising, with 4 shafts up and 4 shafts down. This means that, for any warp thread and its parallel (for any pair of purple and black threads), one is up and one is down at any given time. This is the 4-shaft interval for the parallel threading, allowing the patterns to play one against the other.

STEP 5: Decide on a treadling pattern, based on a twill

For the treadling, I usually "draw" it in by hand, using the "Draw Freehand" button at the top left. There are lots of other ways to do this, but it's my preferred method.

I chose an advancing point twill, with a pattern of 1-2-3-4-5-4-3, 2-3-4-5-6-5-4, etc. I love the way the "points" in the treadling seem to sparkle in the drawdown! But there's a problem: there are long floats in the warp. If you can't tell just by looking at the drawdown, it's a good idea to check: You do this by clicking on the "Tools" menu, and then clicking on "Float Search." You can search for floats of any number in both warp and weft -- but I suggest that, with Echo Weave, you don't want floats of more than 5 ends or 5 picks. That's a lot, particularly if you're using threads that are as thick as 10/2 cotton or thicker.

STEP 6: Change the tieup, if needed, to reduce the number of floats

This means that you will have to add more variety in the tieup, so there are more tie-down threads in the warp. You may have to play with the tieup a bit to see how it works and what you like.

So that's the how-to. Hope it's clear enough to get you started. And then, if you're really ambitious, you can begin designing other patterns using different tieups and treadlings. For instance...

STEP 7: Bonus! Add tabby for Turned Taquete

This is a structure that automatically precludes floats: Turned Taquete! Just by adding tabby to a 4/4 tieup for an extended parallel threading, you can create a Turned Taquete design. (It's not TRULY tabby, as Turned Taquete is compound warp-faced tabby, but that's another discussion for another time.)

In any event, here's how to do this: Under the "Treadling" drop-down menu, scroll to the end and click on "Insert Tabby." What you'll get is a form of tabby -- but you'll have to adjust it so that treadle 1 lifts shafts 1, 3, 5 and 7 and treadle 2 lifts shafts 2, 4, 6 and 8. It's always a reward to see the design nice and clear and neat -- which is why I love Turned Taquete.

Here, in conclusion, is a detail of the back side of my Echo Weave sample, which is quite different from the front, pictured at the beginning of this post. Thanks for reading!

Tuesday, January 16, 2018

Sample, Sample, Sample: Echo Weave on 4 Shafts in 10/2 Cotton

The above sample is Echo Weave on 4 shafts in 10/2 cotton, sett at 30 ends per inch. So much to say about the drafts I've been weaving up! If you're a handweaver -- and if you use weaving software -- you know all too well that there can be a world of difference between the drawdown on the screen and the actual handwoven fabric. Which is why we follow the mantra, "Sample, sample, sample."

I started this post with my favorite sample out of some 10 I have woven this month, all in preparation for my workshop this summer at Convergence in Reno. "One Warp, Many Structures" will explore extended parallel threadings and how they allow you to weave a wealth of structures, from Echo Weave to Turned Taquete to Rep, Double Weave, and even Shadow Weave and Collapse Weave, all on one warp. (Some structures require re-sleying for a denser sett, but all are on the same threading.)

The sample above began with a simple design line which I used as the basis for a twill threading -- which I then turned into a parallel threading with an interval of 2. Red and black warp ends were threaded on opposites (that is, every other thread, so that they are in opposing sheds). I wove it with a 2-2 twill tieup using a 20/2 cotton weft in black.

No drawdowns to show because they are part of the workshop. (I don't want to give everything away beforehand!) But here are a few more samples to give you an idea of what we'll cover in the workshop.

Another treading in Echo Weave, same warp.

And here are the above two samples treadled as Turned Taquete, simply by using tabby (in their respective order).

I really love knowing that this is done on 4 shafts! So many possibilities. The point of the workshop is to broaden your depth and breadth of understanding of how to maximize a warp threaded for Echo Weave. (Or extended parallel threadings, choose your terminology, as Echo Weave itself is a very broad umbrella).

Here is the same structure as Double Weave, re-sleyed at 48 epi and woven on a networked treadling. Because it's a two-shuttle weave, the front and back are quite different.

And then there's Shadow Weave, shown here in detail because the pattern is very fine:

And finally Rep, which I don't find as appealing, but perhaps it's just because I needed to do a bigger sample:

I have another set of samples, these based on Blooming Leaf. Here's the first of the set:

I have many more samples to do -- at least one more on 4 shafts, 3 more on 8 shafts, and hopefully one or two on 12. Until next post, thanks for reading!

Sunday, December 17, 2017

Looking Ahead to Convergence 2018: Blooming Leaf on 4 Shafts Using an Extended Parallel Threading

Let's start with the Blooming Leaf pattern -- a classic Overshot pattern we all know and love. I hope to use this structure in an Echo Weave workshop I'll teach next summer. 

It's a 2 1/2-day workshop called "One Warp, Many Structures: An Exploration of Extended Parallel Threading," taking place at Convergence July 6-12 in Reno, Nevada. (Some background: Every two years, the Handweavers' Guild of America sponsors Convergence, a week-long conference that draws weavers and fiber artists from North America and beyond. Go if you can!)

We'll be working on 4 and 8 shafts -- and more, if people wish. For this blog post, I'm focusing on a 4-shaft extended parallel threading, just to give you a taste of what the workshop involves. (Extended Parallel Threading is the key to Echo Weave.)

Here's the basic drawdown we're starting with, based on the Blooming Leaf pattern from Marguerite Porter Davison.

I left out the tabby because we are not weaving Overshot -- but otherwise the 2/2 twill treadling remains the same.

To create an extended parallel threading, you have to double the number of warp ends. (In Fiberworks Silver, which is the program I use, you click on the heading that says "Warp" and then "Parallel Repeat" in the drop-down menu. Then you click on "Extended Parallel," shafts shift by 2, and "Apply.") This way, the threading for 4, 3, 2, 1 becomes 4, 2, 3, 1, 2, 4, 1, 3 -- that is, every thread has its "parallel" in a pattern that is 2 shafts above it. (The secret is that, on just 4 shafts, the parallel for shaft 3 is shaft 1 -- because there is no shaft 5. Because there is no shaft 5, the next shaft "up" after shaft 4 is shaft 1, and so on.)

This is what you get with a parallel threading for Blooming Leaf, with the shafts shifting by 2.

You can still see the Blooming Leaf -- but there are long warp floats and the pattern looks squished vertically. That's because we are using the original treadling from Davison. To design a treadling, I look at the original treadling as a design line -- really, as a profile for the treadling we want to use in our weaving. For each pick, I substituted a 4-pick Crackle block. So the first pick -- treadle 4 on our drawdown -- becomes 4 picks: 4, 3, 2, 3. The next pick -- treadle 3 on the drawdown -- becomes 3, 2, 1, 2. Treadle 2 becomes 2, 1, 4, 1. And so on. Here's the result, which I describe as the Blooming Leaf pattern in Echo Weave treadled as Crackle.

Really, this is where the workshop begins! I just wanted to show you how you get there. (Please rest assured that, at least for me, these designs do not come easily. I spend way too much time, it seems, clicking and changing and correcting errors in Fiberworks before I can begin to wrap my head around what is going on and how to come up with a good design.)

There is lots more to the workshop, because everyone will start with a drawdown using an extended parallel threading and then weave Turned Taquete, rep, Shadow Weave and Double Weave -- all on the same threading. That's the beauty of extended parallel threadings: you can use two colors (or more) in the warp for a stunning interplay of color and form and structure.

So here's what the Blooming Leaf pattern looks like in Turned Taquete. There are no floats longer than 3 ends (while there are 4-end-long floats in the Echo Weave) and you get a very tidy, drapey fabric, which is why I like this structure.

And here it is in Shadow Weave. Pretty subtle, but you see the leaf as kind of embossed pattern.

There will be lots more designs to come, as I begin sampling what we will weave in the workshop. Thanks for reading, and see you in Reno!