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Author Topic: HOCT High Output Concrete Train - CAD to 3D printed model Build  (Read 516 times)

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Online Snowwolflair

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HOCT  High Output Concrete Train - CAD to 3D printed model Build.











Offline class37025

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #1 on: June 28, 2018, 09:48:33 am »
 :thumbsup: :greatpicturessign:
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Online Snowwolflair

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #2 on: June 28, 2018, 01:45:07 pm »
Its passed the Shapeways design rules and the first print is ordered.  this is always the nervous bit as you never quite know whether it will print.  :)

Offline pape_timmo

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #3 on: June 30, 2018, 03:20:32 pm »
Looks stunning. Thatíll make an excellent bespoke model.

Cheers, Timmo
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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #4 on: July 05, 2018, 10:27:16 am »
In the post today the test print of the HOCT load and a KFA print by MH models.  On first examination the HOCT looks good and i'm now going to look at preparing an etch for the railings and other parts.







Offline Smiffy

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #5 on: July 05, 2018, 01:44:44 pm »
Hi

Who do people use for cutting etches and which design product?

Thanks in advance

Iain

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #6 on: July 05, 2018, 01:56:14 pm »
Grainge & Hodder Ltd. do a very good service.

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #7 on: July 05, 2018, 05:45:15 pm »
A dusting of undercoat to show up the detail.  I have not rubbed down the model yet as I'm currently interested in CAD detail and measuring up for a photo etch.






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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #8 on: September 09, 2018, 07:01:33 pm »
Well after a pause whilst I arranged for the Revolution KFA test pieces to be checked with the print for size, finally achieved at TINGS yesterday, the print is now available to order on Shapeways.

https://www.shapeways.com/shops/snowwolflair

I am in the progress of preparing a brass etch for the railings and the Shapeways prices include the etch which I will send direct when you advise me you have purchased a model (and when the etch is ready).

Anyway the reason to get it out there is in case anyone wanting one will still have time to order a Revolution KFA before the Revolution order book closes.  After that there is a Shapeways KFA print available that it fits as well.

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #9 on: September 09, 2018, 07:09:29 pm »
Basic artwork for the railings.  This allows both original and rebuilt versions to be built



Offline pape_timmo

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #10 on: September 09, 2018, 10:31:45 pm »
That looks seriously impressive.

Cheers, Timmo
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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #11 on: September 17, 2018, 05:49:08 pm »
While the etches are being made it's time to generate the artwork for the transfers.  Currently the Shapeways print has a set of etches priced in and I will either adjust this to also cover the cost of transfers or reduce the print price and make the transfers and etch available separately.

I have perspective adjusted a photograph, as well as you can when the photo is taken with a fish eye lens, to align key parts with a 2D cad generated from the 3D CAD.

I will now identify the required transfers and create a vector graphics artwork for the print file.   So far so good I have managed to extract a vector graphic "Balfour Beatty" logo that has also taken the correct colour code.




Online kirky

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #12 on: September 17, 2018, 07:04:42 pm »
Really clever stuff. Im well impressed.

Cheers
Kirky
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Offline robert shrives

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #13 on: September 17, 2018, 07:19:19 pm »
This looks really good - of course you can leave it in a siding again being repaired surrounded by the orange army. "HO" is not one part of the title it is famous for !

The original East coast mixer train on Mk1 underframes and later used on the cross city job in Birmingham was never going to rust away - the excess concrete and cement plastered all over it made it a fun train to move, its brakes were not up to much...  Hopefully this new train will fare better if electrification gets a further reinstatement.     

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Re: HOCT High Output Concrete Train - CAD to 3D printed model Build
« Reply #14 on: September 17, 2018, 09:17:38 pm »
There is another more modern Plasser "Big yellow beast" for concrete work these days. 

This unit is for small scale foundation work and the like.  It usually runs with a couple of 0-4-0 MPV units although has been seen coupled to Kirow crane units and other engineering trains in the Balfour Beatty stable.  I have a couple of Japanese railways MPV kits that will get new European cabs to complete the unit.

I am considering building a batch of these mixer units for sale, assembled and painted with etches and transfers, either to be added to Revolution KFA wagons or complete with 3D printed KFA frames and bogies.  i,m not sure what the demand would be.

 

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