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How to Build Shoe Insoles

Method 1 Method 1 of 3: Cardboard insoles
  1. 1 Remove the old insole from your shoe. Shake off any dirt or surface grime.
  2. 2 Place the old insole over cardboard. The cardboard needs to be thick and preferably have a "cushioned" feel to it - old cartons are good.
  3. 3 Trace the insole shape with a pencil. Once you have the shape right, you can go over the outline with a marker to make it easier to see.
  4. 4 Cut out the insole design. Use scissors that are sharp enough to cut cardboard easily.
  5. 5 Repeat. Make two insoles for each shoe. This will allow you to air one insole and insert the other, extending the life of both insoles.
Method 2 Method 2 of 3: Yoga mat insoles
  1. 1 Trace a flip flop or shoe that is your size onto the smooth side of a yoga or exercise mat. Use a mat that you no longer want; if you can't find one, look in a charity store for throwaway mats. Keep the rest of the mat in your craft cupboard for other uses.
  2. 2 Cut out the design that you have traced.
  3. 3 Flip over the cut insole. Trace it again on the smooth side to create the insole for the opposite foot. Cut out this insole. Now you have both a right and a left foot insole.
  4. 4 Trace and cut out four more for both the right and left. This means that you'll have a total of five cut-outs for each foot.
  5. 5 Stack the cut-outs for each foot. Place the textured side up.
  6. 6 Glue four of the layers together, using a hot glue gun. Glue a little, then press. Then glue a little more, and press. If you try to glue the whole layer at once, it'll start to dry before you push the layers together.
  7. 7 Leave to dry completely. Once dry, you have new insoles!
Method 3 Method 3 of 3: Self adhesive cork insoles
  1. 1 Purchase a roll of self-adhesive cork.
  2. 2 Roll out a piece of the self-adhesive cork to the length of the shoe. Trace around the shoe shape onto the cork (drawing on the paper on the back is likely to be easier).
    • Do this for both the right and left foot.
  3. 3 Cut out the drawn shape. If you want a thicker insert, cut out two to three layers for each shoe.
  4. 4 If you have cut out layers, press these together with care.
  5. 5 Line the shoe. Peel off the backing and carefully slip the insole inside the shoe. Press down to adhere.
    • A little Zippo lighter fuel will make the gluey side slicker for easy insertion, and it dries quickly.