Sugru is the world's first mouldable glue that turns into rubber.

Hand formable

Hand formable

Sugru can be formed and shaped by hand for up to 30 minutes once it has been removed from its packaging.


Sticks to almost anything

Sugru forms a strong bond to metal, ceramics, glass, wood and some plastics like perspex and ABS and rubbers like silicone and butyl rubber.

Air cures

Air cures at room temperature

Sugru is like modelling clay when you take it from its pack. Once it's exposed to air, it cures to a tough flexible silicone overnight using the moisture in the air.

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Sugru volume buttons on side of iPhone

I have an old iPhone 3gs that is still functional and I like it, but the volume buttons have fallen out (common issue with this model), so here is how you can fix it with some Sugru!

Kit list

  • Sugru
  • Two small screws

Step 1

iPhone with broken volume buttons

Here is how it looks. Sometimes only the plastic part falls out and metal piece that actually presses the tiny buttons inside remains, but in my case everything got lost.

Step 2

Metal contacts cleaned with cotton bud

First, clean the metal part between the contacts with a very small amount of alcohol, and then dry it. This is the main sticking point for Sugru.

Step 3

Screws applied to metal contacts

Because something metal is needed to push the buttons, two small screws that you can probably find laying around are perfect! They should fit the holes, so try it first.

Step 4

Screws embedded in roll of Sugru

Model a Sugru worm and stick the screws in its ends. Measure it to the hole in the iPhone and eventually cut the sides of your worm, or lengthen it a bit more. This pic is at about half of the modeling process.

Step 5

Sugru and screws applied to phone

Glue the middle part of Sugru to the metal plate in the iPhone and make sure that screws hit the right spot. I was rather conservative in design here, replicating the original button shape.

Step 6

Balls of sugru added to buttons

In the end glue two small balls of Sugru. It looks better than the iPhone 5! :)

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