Tien Chiu

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Archives for 2010

December 31, 2010 by Tien Chiu

Awash in new ideas

I’m in Chicago right now, visiting Mike’s family, and yesterday we drove down to Decatur to visit some family down there.  On the way back, I had a burst of inspiration: instead of listening to music, I could catch up on WeaveCast podcasts!  So I started streaming WeaveCast to my iPhone, and soon found myself listening to episode 53: an interview with Holly Brackman, a well-known surface designer/weaver.

The interview was fascinating, and Holly and Syne spent a lot of time discussing the possibilities of polyester, in devore, disperse dye printing, and permanently heat-set textures. This in turn fired off some interesting ideas, which I promptly captured in my Evernote notebook.  (Evernote,  is an online note-taking system that allows you to capture ideas from all over and store them, sync them to computers and mobile devices, etc.  I started using it after a discussion on WeaveTech and have rapidly concluded that it’s the coolest thing ever.  I can’t believe I ever lived without it!)

Anyway, there were two particularly interesting ideas.  One idea that Holly mentioned in the interview was weaving with two different yarns, one of which burns away in the devore process, and one that does not.  If you alternate the yarns in the right order, she said, you can start with a 2/2 twill and burn away one warp and one weft to reveal a plain weave section!

Of course, it doesn’t have to be a simple weave structure, either.  I sense possibilities with network drafting – not sure if it would work, but it’s gone on my list to investigate when I have time, perhaps on the plane flight home.

Or, you could work with a thick yarn and a thin yarn in different colors.  Imagine the 2/2 twill with a thick cotton warp/weft in blue and black, and a thin non-burning yarn in white and red.  In the areas that are not burned out, the thick yarn will dominate, and the piece will appear blue and black.  In the burned-out areas, you could plan it out to give a different weave structure and wholly different pattern in white and red!

Or – another interesting idea – make the non-burning yarn a thin, collapsing yarn.  The sections with just the thick yarns will be too dense to collapse, but once the thick yarns are burned away, the thin yarns should collapse inward.  Could produce some interesting textures!

What is particularly interesting to me about these ideas is that they use weaving as a fundamental part of the surface design process, something that is both necessary to achieve the desired effect and which contributes to the “feel” of a finished product.  This, to me, is a much deeper melding than, say, simply screen printing on handwoven fabric.

This reminds me of a story:

Once upon a time, I had a garden.  Actually it was more like a small farm: 1800 square feet in a friend’s backyard.  The story of the mini-farm is an interesting one in itself (it’s pretty rare for someone to have a garden that large in the San Francisco Bay Area), and maybe I’ll tell it someday.  But the relevant point is what I grew.  I had loads of space – relatively speaking – and could have grown almost anything.  I chose to grow 83 varieties of tomatoes, 6 kinds of green beans, four kinds of potatoes, 8 kinds of heirloom garlic, and, umm, stuff.  Lots of stuff.  Hundreds of pounds of stuff per week.  (I kept the local food bank generously supplied with vegetables all summer!)

What I did not grow, however, was anything I could purchase, either in a farmer’s market or at a supermarket.  I grew types of garlic that I’d never tasted before, exotic varieties of green beans, a rainbow of potato colors.  I pored over catalogs to find the most interesting varieties of tomatoes (one was only four inches tall, another covered in white fluff, another with the most beautiful ruffled purple tomatoes, not to mention the one with beautiful red-and-yellow flame striping!).  But I did not grow anything I could get elsewhere.

Why?  Well, let’s be clear: I was gardening for the sheer love of it.  (Nobody moves 25 cubic yards of compost into a garden, wheelbarrowful by wheelbarrowful, out of an urge for fresh vegetables!)  But I also believe in efficiency, and it was simply inefficient for me to spend my time growing something that I could buy for $2.50/lb at the farmer’s markets.  I wanted my gardening efforts to produce something that could be done no other way than by growing it myself.  The growing was necessary to get the results I wanted.

I feel the same way about handweaving and surface design.  I enjoy handweaving, and I enjoy surface design.  But to meld them together efficiently, to me, means choosing a design for which handweaving not only contributes, but is actually necessary to the finished piece.  It means designing something that requires handweaving, and that I could get no other way.  Otherwise I could just as easily buy commercial fabric, which would be a much more efficient use of my time.  Life is precious, and I don’t want to waste a single instant of my creative time doing something that isn’t necessary for my creative goals.  Efficient as well as enjoyable is my goal, and interweaving many things together efficiently is the most enjoyable of all.

That is why these techniques are so exciting to me – they have the very real possibility of producing “elegant” meldings between surface design and handweaving.  I plan to try them out when I get back to the loom.

Filed Under: All blog posts, musings, textiles, weaving

December 30, 2010 by Tien Chiu

2010, and 2011 goals

I didn’t do too badly with last year’s goals, as it turns out:

  • Get married!!
  • Finish weaving and sewing my wedding dress, using couture techniques
  • Exhibit the wedding dress at CNCH and Complex Weavers
  • More studies of weave structures
  • Play with color
  • Write a few more weaving articles
  • Finish the cashmere coat, hopefully with more assistance from Sharon Bell
  • Lose that 20 lbs I wanted to lose last year

In fact I got pretty much everything but the last two finished.  I will work on those in the coming year.

Now, what do I want to do in 2011?  I think my creative goals are:

General goals:

  • Learn to draw/continue studying fine arts
  • Begin working in some surface design techniques, and think about how to apply them in the context of handwoven fabric
  • Start teaching; submit at least one teaching proposal for Complex Weavers
  • Continue my dye studies, focusing on Cibacron F fiber-reactive dyes

Specific projects:

  • Finish the cashmere coat, the cherry blossom jacket, and (maybe) the qiviut shawl
  • Dye several sets of gradated colors, in 30/2 silk.
  • Dye a full set of two-color combinations of Cibacron F

There! I think that’s a reasonable set of goals for the new year. I’m sure other projects will unfold in time.

Filed Under: All blog posts, musings, textiles, weaving

December 29, 2010 by Tien Chiu

Whew!

Three hours of intense concentration this morning yielded this monstrosity:

Triple weave draft, showing borders
Triple weave draft, showing borders

Since this is virtually illegible, I’ve uploaded a .zip of the .wif file here: triple weave draft, zipped .wif file.  It probably isn’t much more comprehensible, but at least you can see it a little better!

Basically what’s going on is three warps and five wefts (!).  Two of the wefts are thick wefts, and I’ve indicated those in red and brown.  They’re also larger than the others.  One weft (dark blue) is for the middle layer, and the two tabby wefts are white and yellow, respectively.  The black warp is the middle layer, the other two are top and bottom layers.  The first section is solely middle layer, the second section is all three layers but without the thick wefts.  The center section is three layers with the thick wefts.

This is very difficult to visualize since weaving software doesn’t handle three layers gracefully, so here is one of the intermediate steps, a double weave version without the middle layer, shown in Fiberworks PCW doubleweave view:

Double weave version, with side border
Double weave version, with borders

And since it’s hard to make out any detail, here’s the double weave with plain weave borders zip file.  (Unzip to get the .wif file.)

I’m not kidding when I say that this draft took me three hours.  It was incredibly tricky to put together and I’m sure it contains errors, so don’t assume this is a weavable draft!  It was more of a thought experiment, to rough out the process of creating such a monstrosity, rather than a polished version.  I have no idea whether it would weave up gracefully – I think it probably needs significant massaging, first.  (For one thing, I didn’t think about whether it would weave independent layers, a tube, or connected layers when sequencing the treadles.  Also, the three layers need to be stitched together!)

Having spent three hours generating this, I realized that I was probably going to have to redesign the draft after determining the proper sett for two layers of plain weave and one layer of tied weave.  This one is designed around a sett of 120 epi, and the correct sett for three layers is probably considerably less, maybe 108 or 96?  The odds are that I will have to scale down the design, which would mean having to redo the whole thing.  But I learned a lot this morning, and captured the steps in Evernote, so I don’t think it will take me three hours next time!

Filed Under: All blog posts, textiles, weaving Tagged With: doubleweave, qiviut shawl, triple weave

December 28, 2010 by Tien Chiu

Seven-shaft drafts

I spent most of the flight to Chicago playing with seven-shaft drafts.  I wanted to try some advancing twills, and I had seen a lovely draft of Bonnie Inouye’s on page 116 of Doramay Keasbey’s Pattern Techniques for Handweavers that I thought would adapt nicely to a seven-shaft variation.  So I cooked up some variations, and here they are (click to zoom in):

seven-shaft weaving drafts
Seven-shaft drafts - two advancing twills and one plaited twill

The rightmost draft is the one based on Bonnie’s draft, and I believe the process for creating it is more-or-less explained in her book Exploring Multishaft Design.  (Which, by the way, I cannot recommend highly enough for anyone wanting to learn how to draft their own designs.)

While I absolutely love the right-most draft, I think the one on the far left is most suitable for the shawl I have in mind.  It has more visual complexity/interest than the center piece.  And since it is a more contained pattern,  I think it will cope better with being “framed” in the black and white rectangles than the one at far right.  The rightmost pattern just begs to run right up to the edge of a piece, to allow the trompe d’oeil to play freely.

Off to bed! Tomorrow’s another (no doubt very interesting!) day.

Filed Under: All blog posts, textiles, weaving Tagged With: qiviut shawl

December 28, 2010 by Tien Chiu

Complex designing!

I spent a couple hours this morning working on the design for the qiviut shawl.  It’s complicated.

Basically what I want is a black rectangle (the center layer), with a white rectangle outlining the qiviut/silk pattern.  Sort of like this:

Mockup of shawl
Mockup of shawl

The black will be the center layer, the white and brown the top and bottom layers.  The white selvages will float freely, but the brown portions will be unobtrusively stitched together.

The brown section will be qiviut-dominant, to show off the yarn, and will be in a complex geometric pattern, perhaps an advancing twill pattern.  The white section will be plain weave.

I was racking my brains trying to figure out how to get the all-white sections when using a brown weft, and finally realized I could do it by making the brown section a tied weave, and threading up the white sections on two shafts that only interlace with the tabby weft.  It’s complicated and difficult, but I think it’s worth a go!

Here is an excerpt from my Evernote notebook that outlines how I plan to go about this:

  1. Come up with an advancing twill draft on 7 shafts.  (Odd and even shafts need to alternate so allow conversion to double two-tie threading in step 2.)  Tie-up can allow long floats since it will be tied down later.
  2. Convert it to a double two-tie unit threading by interleaving the ties in the threading and adding tabby shots to treadling. 9 shafts are now being used.
  3. Add two shafts of plain weave for the borders on either side, and work out the correct tie-up/treadling so that the supplementary weft does not interlace with the plain weave borders.  11 shafts now being used; draft for top and bottom layers is complete.
  4. Once the top layer draft is done, create the triple weave on a not-quite-parallel threading draft by interleaving three drafts:  (1) the double two tie draft, (2) a simple two shaft plain weave using the tie-ups shown above, and (2) the double two-tie draft with the tie-up reversed (so the “right side” shows on both layers).  Interleave threading and treadling.  (This method won’t work for interchanging layers, since there aren’t an equal number of shafts per layer, but it does work for three more-or-less independent layers.)
  5. Add stitchers to hold the three layers together.  The best stitching might be done by taking a thread from layer 1 and interchanging with layer 3, but need to weave it up to know.  Check with Robyn spady’s monograph (if I have it) to make sure I have the stitching right.
  6. Check design to whatever degree possible by looking at the draft.
  7. Thread it up and weave a sample.
  8. Note that three warps are required, two white silk and one black silk.  Since the qiviut is 7000 ypp, it makes sense to have all three warps be 60/2 silk.  Hang one warp off the back of the loom, the other on a trapeze.  Two sets of spacers to make sure the warps don’t interfere with each other.  Do I need a second raddle?
  9. Also, five shuttles are required (two each for the tied weave layers and one for the middle layer).  Fortunately I have five shuttles!

As I said in my notebook, sounds complex and difficult, but ultimately rewarding!

There are a couple things that worry me about this design:

  1. slippage on the sandpaper beam as it is winding on.  Ruth mentioned that the sandpaper beam is needed for this kind of weaving because the layers wind unevenly onto the cloth beam, but I don’t know how well three layers (especially with free-floating selvages) will work on the sandpaper beam.
  2. different number of picks per inch for the various weaves, especially tied weave vs. plain weave.  Yes, I know tied weave ppi is supposed to be nearly the same as for plain weave, but I don’t know if that’s actually the case in practice.
  3. Sett.  I don’t know if the sett for a triple weave is going to be too dense to fit gracefully through the reed!

And of course I’d have to experiment to determine the right sett, and so on, but that doesn’t scare me: I can work that out along the way.

This is fascinating but mentally exhausting: I’m glad I’m on vacation!  I’m not sure I would have the focus to puzzle this all out if I didn’t have so much empty time to fill.

Filed Under: All blog posts, textiles, weaving Tagged With: qiviut shawl

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