Introduction: D4E1 Ring Rattle

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The rattle allows blind and deaf people to feel and hear the rhythm of the rotating ring.

Supplies

  • 3d prints
  • tube with diameter 8mm in aluminium
  • juggle ring

You can buy the juggle ring in the Decathlon. The tube is easy to find online or in a DIY shop like Brico. The 3D prints can be easy printed with a little 3D printer like the Ultimaker.

Step 1: 3D Printing

First, print the 3D models 

  • middle part
  • gear
  • lid

the STL files can be found here.

Step 2: The Axis

Cut the aluminium tube about 25cm. This part will become the axis.

Step 3: Through Everything

Slide the axis through all the holes. The gear should be inside the socket.

Step 4: Close With the Lid

Put the lid on the socket, so that it is completely closed.

Step 5: Drill

Drill a hole in the juggle ring.

Step 6: Glue

Glue the ring firmly to the shaft. You are ready!