Retro Reproduction.

Dave Wade dave.g4ugm at
Fri Oct 23 14:32:19 CDT 2015

On the Vintage Computer Forums some one has produced replacement keys for his TV Typewriter using rubber moulds and casting resin. It looks shiny and dyes are available...
... but you might have to machine the hole in the end for the shaft to go into..


> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at] On Behalf Of Ethan
> Dicks
> Sent: 23 October 2015 20:27
> To: General Discussion: On-Topic and Off-Topic Posts
> <cctalk at>
> Subject: Re: Retro Reproduction.
> On Fri, Oct 23, 2015 at 3:15 PM, Jay West <jwest at> wrote:
> > I should also add.... if people are talking about reproducing DEC
> > switch handles (the plastic covers)... I would love to get spares for
> > my DG gear so whatever process works for the dec ones may be helpful
> there.
> Do the DG handles have the same problems as DEC switch handles?
> (fragile pivots that break off)
> I'd say the first step is what Vince Slyngstad has done with several DEC
> handles - capture an accurate shape in some flavor of CAD.  From there,
> Shapeways or an SLA printer should make a nice, functional replacement.
> SLA will produce brittle but visually beautiful parts.
> SLS (Shapeways) will produce stronger parts but with a matte finish -
> functionally nice, but palpably different.  Perhaps a couple coats of paint
> would smooth that over.
> -ethan

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