Video

Process time: 20 min.

Materials

  • polyethylene freezer bags (thickness: from 2mil – 0.05mm to 3.5mil – 0.09mm)
  • air connector
  • double-sided adhesive tape
  • adhesive tape

Tools and Equipments

  • syringe
  • air tube
  • heat sealer
  • scissors
  • awl
  • fine tip marker pen

Directions

1Trace a pattern

Put a film on a printed pattern and trace the shape with crosses or dots with a pen.

2Cut Films

Cut a pair of films bigger than the pattern.

3Seal

Adjust a timer dial of a heat sealer to the lowest setting that will still seal the films (maybe around 2.5).

Seal ONLY the outer lines of the pattern. Do NOT seal partition lines with a small gap. Place a pair of films on the sealer. Adjust the position to make sure that the crosses/dots are on the sealing line. Push the sealing arm down and keep the arm down for 3-4 seconds.

Repeat the sealing process to make a big square outline.

4Make partition seals

You can make a gap in the middle of sealing line with a paper board tape. Put a narrow paper board on the sealer, then make a partition lines on the inside of the pouch. The gap become tunnels between subdivided pouches.

5Cut a Pouch

Cut the margin of the films along the outline of the pouch.

6Make a Hole

Make a cross/dot to mark the position of an air inlet hole with a pen. Fold the films crosswise around the mark. Cut a VERY small piece off from the corner of the films with a scissors.

7Check

Unfold the films to check the hole. The diameter of the hole must be around 1-2mm. If it’s too big, cover the hole with a tape and try again on the other side.

8Prepare a Connector

Apply a both-sided tape on the bottom of a connector. Make a through hole with an awl.

9Put the connector on the pouch

Fix the connector on the hole of the pouch.

10Cover the flip side

Cover the another hole on the flip side with a tape.

11Move

Connect a syringe and tube to the pouch. Push the air into the pouch to see the inflation of the pouch make a flapping motion. Try different sizes/shapes!

 

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