Corey, count me in for 2keys too!<br>-MJ<br><br><div class="gmail_quote">On Sat, Mar 13, 2010 at 12:08 PM, Dawn R <span dir="ltr"><<a href="mailto:dawn@relartivity.com">dawn@relartivity.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I want one too! That's awesome.<br>
<font color="#888888"><br>
Dawn<br>
</font><div><div></div><div class="h5"><br>
<br>
On 3/12/10 9:42 PM, "Lee Sonko" <<a href="mailto:lee@lee.org">lee@lee.org</a>> wrote:<br>
<br>
> Can we get one of these for The Crucible / Noisebridge / Box Shop / My<br>
> bedroom?<br>
><br>
> (warning: machine porn)<br>
> <a href="http://www.youtube.com/watch?v=SQIYZ-iKuG4&NR=1" target="_blank">http://www.youtube.com/watch?v=SQIYZ-iKuG4&NR=1</a><br>
><br>
><br>
><br>
><br>
><br>
><br>
>> -----Original Message-----<br>
>> From: Michael Shiloh [mailto:<a href="mailto:michaelshiloh1010@gmail.com">michaelshiloh1010@gmail.com</a>]<br>
>> Sent: Friday, March 12, 2010 7:59 PM<br>
>> To: Lee Sonko<br>
>> Cc: 'Corey McGuire'; 'NoiseBridge Discuss'; 'Orb Swarm'<br>
>> Subject: Re: [Noisebridge-discuss] Who wants Kilograms of Shapelock?<br>
>><br>
>> One of my students cut gears out of plywood with a hacksaw.<br>
>> Crude but effective...<br>
>><br>
>> Lee Sonko wrote:<br>
>>><br>
>>>> You might try delrin...<br>
>>><br>
>>> Ah, that's the rub. I'm not using CNC to cut the gears. I<br>
>> want to use<br>
>>> the simplest tools possible. If I had the class use CNC, it would<br>
>>> become a class in CNC operation. This is a class in the theories of<br>
>>> mechanics and kinetics; how to get "stuff" to move in interesting<br>
>>> ways. So I need some universally easy material to work in.<br>
>> That's why<br>
>>> we're using foam core right now. I want them to be able to fashion<br>
>>> their own gears, cams etc with their own hands persay so<br>
>> they can get<br>
>>> a hands-on feel for what they're building. I could buy lots<br>
>> of parts<br>
>>> but that would avoid much of the basic hands-on-edness that<br>
>> I'm trying to impress on them.<br>
>>><br>
>>> I envision them squishing shapelock in their hands,<br>
>> pressing it into<br>
>>> gear molds, stretching it into shape by hand.<br>
>>><br>
>>> I want to use Phun (the 2d physics simulator) but for real.<br>
>>><br>
>>><br>
>>><br>
>>> *From:* Corey McGuire [mailto:<a href="mailto:coreyfro@coreyfro.com">coreyfro@coreyfro.com</a>]<br>
>>> *Sent:* Friday, March 12, 2010 1:12 PM<br>
>>> *To:* Lee Sonko<br>
>>> *Cc:* NoiseBridge Discuss; Orb Swarm<br>
>>> *Subject:* Re: [Noisebridge-discuss] Who wants Kilograms of<br>
>> Shapelock?<br>
>>><br>
>>> You might try delrin. It's great for gears because it<br>
>> is hard and<br>
>>> REALLY low friction. Are you using CNC to cut the<br>
>> gears? Inkscape<br>
>>> has an AWESOME built in gear tool. I used it on the<br>
>> Techshop laser<br>
>>> engraver to GREAT effect (acrylic.)<br>
>>><br>
>>> On Fri, Mar 12, 2010 at 1:08 PM, Lee Sonko <<a href="mailto:lee@lee.org">lee@lee.org</a><br>
>>> <mailto:<a href="mailto:lee@lee.org">lee@lee.org</a>>> wrote:<br>
>>><br>
>>> I'm in for $10 at up for $15/kg<br>
>>><br>
>>> I'm trying to find a better material to use for the<br>
>> Mechanical<br>
>>> Sculpture classes I teach at the Crucible. Right now we<br>
>>> generally cut gears, cams and levers out of foam core. It's<br>
>>> easy, safe and inexpensive. But it's foam core<br>
>> and... well it<br>
>>> kinda sucks. If I taught mechanics in metal, we'd<br>
>> spend all our<br>
>>> time learning how to use the tools to work the<br>
>> metal; the same<br>
>>> goes with wood :-(. Maybe Shapelock will fit the<br>
>> bill: easy to<br>
>>> work and re-work with inexpensive tools, safe, inexpensive,<br>
>>> fairly sturdy when cool.<br>
>>><br>
>>> Lee<br>
>>><br>
>>><br>
>>> *From:* <a href="mailto:noisebridge-discuss-bounces@lists.noisebridge.net">noisebridge-discuss-bounces@lists.noisebridge.net</a><br>
>>> <mailto:<a href="mailto:noisebridge-discuss-bounces@lists.noisebridge.net">noisebridge-discuss-bounces@lists.noisebridge.net</a>><br>
>>> [mailto:<a href="mailto:noisebridge-discuss-bounces@lists.noisebridge.net">noisebridge-discuss-bounces@lists.noisebridge.net</a><br>
>>><br>
>> <mailto:<a href="mailto:noisebridge-discuss-bounces@lists.noisebridge.net">noisebridge-discuss-bounces@lists.noisebridge.net</a>>] *On<br>
>>> Behalf Of *Corey McGuire<br>
>>> *Sent:* Friday, March 12, 2010 11:58 AM<br>
>>> *To:* NoiseBridge Discuss; <a href="mailto:hackerdojo@googlegroups.com">hackerdojo@googlegroups.com</a><br>
>>> <mailto:<a href="mailto:hackerdojo@googlegroups.com">hackerdojo@googlegroups.com</a>>; Orb Swarm;<br>
>> Chris Tacklind<br>
>>> *Subject:* [Noisebridge-discuss] Who wants<br>
>> Kilograms of Shapelock?<br>
>>><br>
>>> Instead of buying the name brand material for<br>
>> $1.50 an oz, I<br>
>>> am looking for a source of CAPA 6800 at $10 a<br>
>> kg or about<br>
>>> $0.30 an oz. I might need to get this in a 20kg volume<br>
>>> (that's right, I'm measuring volume in grams!)<br>
>> That means a<br>
>>> $200 purchase. maybe more with shipping and distributor<br>
>>> specific pricing, but I have it on authority<br>
>> that $10 a KG<br>
>>> is not unreasonable.<br>
>>><br>
>>> Anyone who knows of a source, please help me<br>
>> out. Right now<br>
>>> I am looking to work with Tri-ISO.<br>
>>><br>
>>> Who is interested? Do I have $200 of interest<br>
>> in Shapelock?<br>
>>> Or, how many KG would you like at $10 a KG? The more<br>
>>> interest, the more likely the chance of success.<br>
>>><br>
>>> Ripped from<br>
>> <a href="http://en.wikipedia.org/wiki/Polycaprolactone" target="_blank">http://en.wikipedia.org/wiki/Polycaprolactone</a> :<br>
>>><br>
>>> *PCL also has many applications in the hobbyist<br>
>>> market. Some brand names used in<br>
>> selling it to this<br>
>>> market are Shapelock and Friendly<br>
>> Plastic in the US,<br>
>>> and Polymorph in the UK. It has **physical<br>
>>> properties*<br>
>> <<a href="http://wiki/Physical_property" target="_blank">http://wiki/Physical_property</a>>* of a<br>
>>> very tough, nylon-like plastic that melts to a<br>
>>> putty-like consistency at only 60°C.<br>
>> PCL's specific<br>
>>> heat and conductivity are low enough<br>
>> that it isn't<br>
>>> hard to handle at this temperature.This makes it<br>
>>> ideal for small-scale modeling, part<br>
>> fabrication,<br>
>>> repair of plastic objects, and **rapid<br>
>> prototyping*<br>
>>> <<a href="http://wiki/Rapid_prototyping" target="_blank">http://wiki/Rapid_prototyping</a>>* where heat<br>
>>> resistance isn't needed. Though molten<br>
>> PCL readily<br>
>>> sticks to many other plastics, if the surface is<br>
>>> cooled, the stickiness can be minimized<br>
>> while still<br>
>>> leaving the mass pliable.*<br>
>>><br>
>>><br>
>>> --<br>
>>> Success is a tasty spirit distilled from bitter failure<br>
>>> --Coreyfro<br>
>>><br>
>>><br>
>>><br>
>>><br>
>>> --<br>
>>> Success is a tasty spirit distilled from bitter failure<br>
>>> --Coreyfro<br>
>>><br>
>>><br>
>>><br>
>> ----------------------------------------------------------------------<br>
>>> --<br>
>>><br>
>>> _______________________________________________<br>
>>> Noisebridge-discuss mailing list<br>
>>> <a href="mailto:Noisebridge-discuss@lists.noisebridge.net">Noisebridge-discuss@lists.noisebridge.net</a><br>
>>> <a href="https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss" target="_blank">https://www.noisebridge.net/mailman/listinfo/noisebridge-discuss</a><br>
>><br>
>> --<br>
>> Sent from my ASR-33<br>
><br>
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</div></div></blockquote></div><br>