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Origami bellows

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It all began a year or so ago. I bought one of those pitiable DDR concertina for 90 euro. The bellows were kaputt. They were litteraly glued together. I tore it apart and the fiber in all corners which should be air tight was reduced to a leaky cloth. Black scales were falling away. I sprayed the corners with a sealing asphalt spray. It helped a little, but in whole the instrument was unplayable. The reeds are in excellent condition though. It seems it was never played. Now, for the last three years I attended an origami workshop and it always seemed to me that bellows could be done in origami techique. Origamists were invited to help planning solar pannels for the space probes, architects use origami, so why not bellows? Last nighti came across this video: https://youtu.be/ldmCQayLieI?si=re5ReLLLurah_taN

I rolled up my sleeves and with modicum tools that I own I managed to do it in only one day! I began with smaller models (the yellow little in the photo bellow), measured, and adjusted the proportions etc.

Tools: jigsaw, hotglue pistol, scroll saw

Materials: wood plank, cardboard folder, thick black cardboard, black strong adhesive tape

Skills: next to nil

The result is ugly. Of course it is leaky, it's made of thick cardboard which upon few foldings rips- and with not much care. Only leather can remain flexible and airtight after milions of foldings.


Guys, I believe I will restore this concertina 100% to its former glory. (In words we-know-who: MAGA- MakeAccordionGreatAgain)!




Edited by Gregor Markič
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