[Noisebridge-discuss] Who wants Kilograms of Shapelock?

Ever Falling everfalling at gmail.com
Sat Mar 13 06:57:17 UTC 2010


i'll go in for $20 worth. i'll add my name to the wiki.

On Fri, Mar 12, 2010 at 9:47 PM, Michael Shiloh <michaelshiloh1010 at gmail.com
> wrote:

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



-- 
Trying to fix or change something, only guarantees and perpetuates its
existence.
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