===== week 4 =====

=== Bio Dye ===

**Assignment | 17 oktober 2017**

Explore (at least):

  * 1 natural dye or bacterial dye
  * 1 crafted or grown material
  * Order, display, map & credit the process and results.

ref.: [[http://fabricademy.fabcloud.io/handbook/classes/03_biofabrics.html|http://fabricademy.fabcloud.io/handbook/classes/03_biofabrics.html]]

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=== Research ===

**Color dye - What is a mordant**

  * [[http://www.allnaturaldyeing.com/mordants-fixatives/|Mordant and fixtives]]
  * [[https://en.m.wikipedia.org/wiki/Mordant|Mordant]] (wiki)
  * [[http://www.wearingwoad.com/mordants-two-natural-dyes-that-never-need-a-mordant/|natural dye that does not need a mordant]]

**Natural dye video short**

  * [[https://www.youtube.com/watch?v=Gwk1B66dvAM&feature=youtu.be|Natural dye demo]] (video1)
  * [[https://www.youtube.com/watch?v=yyEpSOeNIC4&feature=youtu.be|Natural dye demo]] (video2)
  * [[http://www.allnaturaldyeing.com/|Natural dyeing process explained]]

**Article **

  * workshop example [[http://www.fibershed.com/2011/01/06/seaside-day-of-dyes/|Seaweed used as color dye]]
  * 2015 article [[https://www.nienkehoogvliet.nl/portfolio/seaweed-research/|Dutch Design Week - Seaweed as sustainable textile dye]]
  * 2014 article [[https://www.dezeen.com/2014/10/14/blond-and-bieber-algaemy-coloured-dye-algae-lodz-design-festival-2014/|DMY Berlin 2014 - Algae to create colorful dyes for textile printing]]

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=== Gathering materials ===

I wanted to try something with a local product and since I live 1 street down from the coast, gathering seaweed was not a too hard task. :)

{{:fabricademy2017:students:linda.wanders:seaweed-1.jpg?nolink&446x250  }}{{:fabricademy2017:students:linda.wanders:seaweed-2.jpg?nolink&446x250}}

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=== Cleaning and cooking ===

Back at home I rinsed the seaweed with cold tap water. Vacated the last snails and mini shrimps that were trying to hide between the plants. Boiled some water, chopped the seaweed in smaller bits and kept it on the stove for a hour.

{{:fabricademy2017:students:linda.wanders:seaweed-sink.jpg?nolink&300x536  }}{{:fabricademy2017:students:linda.wanders:seaweed-cook.jpg?nolink&300x536}}

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=== Adding fabric ===

While the seaweed was cooking, I turned my house upside down to find white fabric, which sat in clean water for about 10 minutes  (I know this is a bit on the short side). Then I filtered the seaweed from the now red-isch water. Added the fabric and kept it on  the stove for another hour. After that was done I poured the colored water into a jar, where it sat with a second path overnight.

{{:fabricademy2017:students:linda.wanders:seaweed-cook-color.jpg?nolink&300x536  }}{{:fabricademy2017:students:linda.wanders:seaweed-cook-color2.jpg?nolink&300x536}}

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=== The result ===

A bit hard to photograph since the white balance of my camera can be deceiving. The result are 2 soft pink colors. The darker fabric is from sitting in the dye overnight.

{{:fabricademy2017:students:linda.wanders:bio-dye.jpg?nolink&536x300}}

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=== Laser cutter ===

Setting engraving : 600 DPI / Speed 100 / Power 50. and setting vector cut : Speed 30 / Power 80 / Feq. 500. 

{{:fabricademy2017:students:linda.wanders:bio-dye-laser.jpg?536x300|bio-dye-laser.jpg}}

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