3D Printing - was - 6 wheel trucks

NW Modeling List nw-modeling-list at nwhs.org
Fri Nov 23 10:24:28 EST 2018

There is a lot available online for 3D printed parts. Shapeways is probably the biggest place.  Of keen intetest to us N&W modelers would be the triple clasp side frames for N&W U30Cs and C30/36-7s.Some of the Shapeways stuff is really good. Some of it is really bad. I saw a set of triple clasp HTC trucks for SD40-2s that was thick enough for a G-gauge sideframe. The CPL signals I saw also needed some serious work.  Part of the limitation is still printing technology but that is advancing rapidly. But in the case of Shapeways, the part quality is dependant upon the person creating it in CAD.

Josh Blevins
Charlotte NC 
  On Fri, Nov 23, 2018 at 8:33 AM, NW Modeling List<nw-modeling-list at nwhs.org> wrote:   Jeff

N&W built a one of a kind experimental hopper:


Perhaps that is what you were thinking of. I found no reference to an article in the index search, however, I believe that Andrew Dow covered it in his book.

Regarding the 3-D printing, there is truly some excellent work being done on those type of things. In going to shows in the last year, I saw some beautiful work done on ET&WNC cars, and wondered the same thing. It takes someone to develop the drawings for such, which has to be a labor of love for someone to do.

Since this is closer to a modeling subject, I am also copying it to the modeling list

Ken Miller

> On Nov 23, 2018, at 3:48 AM, NW Mailing List <nw-mailing-list at nwhs.org> wrote:
> Recent discussions with a friend on the VGN battleship gondola brought to memory of a 6 wheel hopper I thought was VGN, but could also be N&W.
> There were either photos or drawings in the ARROW, which I have gone through and found the VGN car, but not the style I am remembering.
> A friend of mine had his father cut the shape out of wood some years ago. I got 6 wheel trucks for them, but never finished them.
> Does anyone know or remember these cars, and where the drawing/photo was? 
> I know with all the talk of the manufacturers closing down, and really putting the squeeze on available models, has anyone considered 3D printing?
> I have quite a few hoppers, excavators, front end loaders ect that were 3D printed. I know they are not perfect and need extra attention, but after putting micro-train trucks under them, they look quite nice and work fine. 3D printing could offer unlimited items to manufacture, that otherwise would never be made except for scratch building.
> PS in the March/April 2006 issue of the ARROW, mine came with 2 front covers, so if your issue is missing its front cover, I have it.
> Jeff Wood
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