Technieken
https://www.cabrillo.edu/~vmay/Art21_shibori-techniques.pdf
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https://en.wikipedia.org/wiki/Resist_dyeing
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https://practicalaction.org/text/docs/technical_information_service/dyeing_textiles.pdf
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https://www.youtube.com/watch?v=GNMJGAjBUWA&list=PLdrVbUJUeN_rf2ohzUwerC7s2HfRxPgaE&index=5
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https://www.pinterest.com/honeymh/dyeing-techniques/
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https://www.prochemical.com/directions/Folding.htm
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https://www.nhm.ac.uk/kids-only/things-to-make-and-do/natural-dyes/
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https://faculty.mu.edu.sa/public/uploads/1382435529.7674science14.pdf
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https://chemistry.about.com/od/holidayhowtos/a/eastereggdyes.htm
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https://www.nuffieldfoundation.org/sites/default/files/14_Extract_test_plantdye.pdf
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