need some Sugru?

[Steven Pickles]

I just realised my rainbow-pack of Sugru* is about to pass it's use-by date.

http://sugru.com/

I'll be bring it along to Wednesday's hack session and hand out packets to anyone who has a use in mind.

pix

* not to be confused with the very cool Chris Sugrue: http://csugrue.com/delicateboundaries/

[Kylie Willison]

I would love to try some out Pix, I'm making different crochet hook grips to see what is most comfortable.  I also want to have a go at printing a couple of crochet hooks to see what they're like to use.

Kylie

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[Damien P]

On Saturday, September 29, 2012 6:05:08 PM UTC+9:30, pix wrote:

I'll be bring it along to Wednesday's hack session and hand out packets to anyone who has a use in mind.

I could try repairing a bike light mount with some.  I don't know how well that will work.  Apparently if you put soapy water on something (the light in this case) it doesn't stick, so you can make a mould.

That's the only trouble with that stuff, you can't just have it lying around.  Apparently if you put it in the fridge it lasts twice as long [1].

It's too bad there's not some similar two-part substance which keeps indefinitely.  Maybe Knead-it is like this?

 1: http://sugru.com/gurus/categories/sugru-hacks/topics/the-official-sugru-faq

[Sam Birbeck]

There's always Plastimake... www.plastimake.com

Anyone tried it, how does it compare to sugru? At least it doesn't seem to go off.

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[Tamsyn Michael]

>>
>> It's too bad there's not some similar two-part substance which keeps
>> indefinitely. Maybe Knead-it is like this?
>>

http://www.instructables.com/id/How-To-Make-Your-Own-Sugru-Substitute/

Silicon caulk and cornstarch makes a pretty good substitute for Sugru
(apparently, I'm yet to test this though).

Though, personally, I find the conductive version more fascinating:
http://www.instructables.com/id/Conductive-Rubber-Make-Touch-Sensitive-Robot-Skin/

[pault]

Plastimake is exactly the same as the Polymorph Pellets that Jaycar sell
http://www.jaycar.com.au/productView.asp?ID=NP4260
and is actually made Polycaprolactone
http://en.wikipedia.org/wiki/Polycaprolactone
its not really the same type of stuff as sugru

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[Sam Birbeck]

Interesting, I didn't know you could get it at Jaycar. Bit more expensive there but nice to know where to grab it in a pinch.

I know it's not quite the same as Sugru, that's why I was wondering how they compare. Has anyone used both and could say what applications if any that one might be better for?

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[Steven Pickles]

Sugru is silicon based so its grippy and yielding. Actually you can't really make free-standing structures with it. Better for putting lumps and grippy bits on things. It's adhesive so you can use it to reinforce broken things.

Capa (shape lock/polymorph/plastimake) is only vaguely adhesive when it is very hot (too hot to handle). That also means it won't stick to itself normally. It also quickly cooks and wants to spring back when you mould it. Most of the useful things I've seen done with capa involve pressing it into a mold. The timing belt pulleys in the original Darwin involved making a mold out of a jar lid lined with timing belt.

I can bring some capa to a meeting too if you wan't to play with it.

pix

[Steven Pickles]

oops, "quickly cools".

[Sam Birbeck]

That would be great! I've only been reading up on these materials recently, looking at possible ways to make small port covers for my pi-64, etc.

[Steven Pickles]

Hey Kylie,

After experimenting with it over the last few days, I'd recommend making them at home because it takes quite a while to cure. Fortunately you can tie a loop around the hook and hang it while it cures so you don't get a flat side. I think you'd need at least two of the little packets to make a single grip with any "meat" to it.

pix