[Noisebridge-discuss] Quick question about 3d printer

pdbogen at cernu.us pdbogen at cernu.us
Thu Oct 9 17:37:52 UTC 2014


Nylon, AIUI, is still thermoplastic; and in particular, you can 3D print in 
nylon on a FDM printer if you don't mind the toxic fumes. That said, Shapeways 
does appear to have a variety of metals (probably not good for pot/pan handles 
or whatever); and ceramics, which might work, though I don't know how brittle 
they are.

Printing a positive prototype and then a negative mold, as Rachel suggests, is 
probably the best way to go.

- Patrick

On Tue, Oct 07, 2014 at 09:06:27PM -0400, Ceren Ercen wrote:
> Or have Shapeways print it in a more durable material than extruded
> plastic, like sintered nylon, and send it to you !
> 
> Disclaimer, I work for Shapeways now. :)
> On Oct 7, 2014 5:12 PM, "Rachel McConnell" <rachel at xtreme.com> wrote:
> 
> > All 3d printers that extrude plastic use thermoplastic of various types.
> > In theory you could melt down all your 3d printed objects and extrude more
> > filament from them, and use that to print more objects, indefinitely.
> > Although in practice you'd get crud in the mix and it would eventually not
> > work any more.
> >
> > All the thermoset plastics I've worked with are made from two liquid or
> > semi-liquid parts that are mixed together and then cure permanently,
> > generating heat during the curing process.  A very common example of this
> > is epoxy glue, which is technically a thermoset plastic.  Others you may be
> > familiar with are the resins used with fiberglass, or the clear casting
> > resins that some kinds of jewelry are made from.
> >
> > You could still use 3d printing in the making of your handle.  Draw and 3d
> > print a handle to test the fit.  Once you have a version you are satisfied
> > with, make a mold of it and cast a resin version as your final result.
> >
> > Rachel1.0
> >
> > On 10/7/14 12:56 PM, girlgeek wrote:
> >
> >> I need to make a handle for a kitchen item.   What kind of plastic does
> >> the 3d printer use, Thermalplastic or Thermalset?  For this application
> >> I need to use Thermalset.  (Although a member of my family already
> >> managed to destroy the prior thermalset handle.)
> >>
> >> Thanks,
> >> Claudia
> >>
> >>
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-- 
             .
Patrick Bogen .
            ...
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