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TEMPLOT 3D PLUG TRACK - To get up to speed with this project click here.

  • The Plug Track functions are experimental and still being developed. Some of the earlier pages of this topic are now out-of-date.

    For an updated overview of this project see this post.   For some practical modelling aspects of using Plug Track see The Book of Plug Track.

    The assumption is that you have your own machines on which to experiment, or helpful friends with machines. Please do not send Templot files to commercial laser cutting or 3D printing firms while this project is still experimental, because the results are unpredictable and possibly wasteful.

    Some pages of this and other topics include contributions from members who are creating and posting their own CAD designs for 3D printing and laser-cutting. Do not confuse them with Templot's own exported CAD files. All files derived from Templot are © Martin Wynne.

3D Plug-Track? This process needs a name?

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Martin Wynne

West of the Severn UK
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Please do not send requests for help direct to me via email.

Post your questions on the forum where everyone can see them and add
helpful replies.
After writing a lot of flannel for several years now about 3D printing track direct from Templot, I thought it's high time I posted some actual evidence. :)

So I roused the BIBO into action by waving an Allen key at it, and tried filament-printing some timbers with chair sockets.

It's the middle bit of a B-6 turnout in P4, with equalized timbering and some contraflexure. Only the middle bit, because as yet I have done only the S1 ordinary chairs. The resin-printed chairs pressed home quite easily without damage -- the rail is Exactoscale steel bullhead. The gauge measures 18.79-18.82mm, so only a small tweak needed on the gauge-adjustment setting.

Here's the result in the usual cruel close-up:

Normal layout view:




Nose in the ballast:


Chairs resin-printed on the little Elegoo Mars:


For more about what you are seeing, see:

If it stops raining later today, I will take some better pictures in sunshine, and give it a scoosh of grey primer to show the chair detail better.


message ref: 1910

Matt M.

That is looking good Martin.

I was looking at doing this 10 years ago with metal plugs inserted into
either printed plastic sleepers or milled timber ones.
Metal due to the need to make dog spikes that worked at close to scale.
At the time metal printing was too expensive and problematical.

Now however bulk, loose, small part metal printing is very easy with some fantastic
systems that make it economical.

Properly done it should give perfect gauging every time.

Regards, Matt M.
message ref: 1912