There are metal 3d printers.  The one I've seen requires the part to be
fired in a kiln-like oven for finishing.
On Mar 18, 2015 8:54 PM, "Dennis Haynes" <d23haynes57@hotmail.com> wrote:

> Internal engine parts made of stuff not metal
> Oil baffles
> Wrist pin buttons
> Timing chain guides
> Valve stem seals-slingers
>
> Some day we will be able to down load a file and print a part. Soon using
> metal powders or other magic we will be able to print metal parts as well!
>
> Maybe!
>
> Dennis
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of
> Michael
> Sent: Tuesday, March 17, 2015 6:54 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Re: NVC: 3d printed manual transmission
>
> I'm sure a plastic engine part would last about 1.3 nanoseconds....
>
> Sent from my iPhone
>
> > On Mar 17, 2015, at 18:12, David Bjorkman <ddbjorkman@VERIZON.NET>
> wrote:
> >
> > Yes.  It is.
> > A 3-D printer is on tap for delivery to the International Space Station
> to
> make parts.  Quicker than waiting for the delivery man when something
> breaks, I would imagine.
> >
> > Dave B.
> >
> >
> > On 03/16/15, Harry Hoffman wrote:
> >
> > Ok, so this is pretty cool!
> >
> > https://imgur.com/gallery/LyzMwiS
> >
> > Cheers,
> > Harry
>