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Origami for @Kristyglas

gracePosted for Everyone to comment on, 5 years ago4 min read

@Kristyglas asked for a tutorial on some fun origami. I have chosen Joseph Hwang's unit from his bouncy modular ball to show something fun and practical.

Joseph Hwang's website

Joseph Hwang's origami Trivet/Flexagon.

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The origami bouncy modular ball calls for 30 pieces of fairly stiff paper and is full of elegant swirls, circles and stars. The video tutorial can be found here:

As often happens, once I started folding the units I started playing with how they connect. The origami trivet using only six units was the result.

I have tested this model and six pieces of 15cm x 15cm paper can hold at least 3kg and while I probably wouldn't test it with a pot off the stove. I have been using it for my hot cups of tea and the paper has not deformed or held onto the heat.

I have asked permission to create a pictorial tutorial of this unit and it has been kindly granted.

Please note that the pictorial tutorial does not follow the video tutorial step by step as I wasn't able to show which arm of the model I was working on.

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  1. Start with the colour side face down.
  2. Fold corner to corner in both directions.
  3. Turn the paper over and fold edge to edge. Rotate 90 degrees and repeat.
  4. Collapse into the waterbomb base colour side out.
  5. Fold the tip down to bottom edge
  6. Fold the tip back on itself.

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  1. Mountain fold the model in half to concertina the model.
  2. Unfold the model and colour side up fold two squares in on just one side
  3. Rotate 90 degrees and repeat creating a two by two square in one corner. Repeat on the opposite corner.

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  1. Fold each corner in two square lengths and unfold.
  2. Draw an A in the left top square of your two by two square corners.
  3. Turn over and draw a B in the left bottom square of your two by two square corners.

Don't worry you won't be able to see the letters on the final unit.

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  1. Pinch the two edges together so that you can still see your A
  2. Bring the right hand edge around so that your B covers your A.
  3. Fold the half house formed back around the corner.

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  1. Fold the top half of the house down.
  2. Repeat on opposite corner.
  3. Collapse unit into a waterbomb sink fold. (Mountain fold then valkey fold the concentric squares in the middle of the paper) This video shows this step quite nicely.

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  1. Fold the pointy corner up 90 degrees counter clockwise.
  2. Fold tip in half back on itself.
  3. Repeat on opposite arm.

Fold six units and check that they all look the same. Like a lot of modular units this unit has a left formation and a right formation. As along as all the units 'face' the same way you will be fine.

Construction
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  1. Open up the blunt arm and bring the half house back around extending the arm. ( Do not draw the arrows as they will be visible on your final model.)
  2. Insert the folded down tip into the revealed ledge of the second unit.
  3. Slide across until it is behind the half house.
  4. Bend the half house back behind.
  5. Fold the top of the house back down locking the two models together.
  6. Repeat on adjacent arm.

Fold all six units together in this way.

Corrected construction can be found here

Congratulations you have made your own origami trivet.

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