How to Make Pencil Sharpener Machine From Cardboard




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Hello World in this instructable know how to make Awesome Pencil Sharpener Machine using Cardboard.

This would be awesome school project for kids,Time to build this is very much less and Most Important there is no rocket science here!!!!

Step 1: Watch the Performance of Machine in This Video

Step 2: Gathering Materials

  • 9V Battery
  • DC Motor (geared)
  • Caps
  • Switch
  • Sharpener
  • Battery Clips
  • Hot Glue

Step 3: Main Part

  • Make a hole on Cap
  • Insert to Motor Shaft
  • Attach the Sharpener

Step 4: Body

  • Make a Box From Cardboard
  • Attach Base for the motor(made by arranging Cadboard)
  • couple up using hot glue
  • Stick the battery
  • Connect Switch
  • Test For Working

Step 5: Finishing Up

  • Cover The Top Layer
  • Cover the sides
  • Attach Switch to cardboard using hot glue
  • Box to remove waste of pencil is attached
  • Switch on and you are ready to go!!

Step 6: Missed Something Watch This Video

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    4 Discussions


    Question 1 year ago on Step 1

    How much volt of DC motor?
    6v, 9,v or how? And how much Rmp of DC motor?


    1 year ago

    This is great! A machine that I always thought of as mysterious as a child. Well done.

    1 reply