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    • December 2, 2019 7:58 PM EST
    • Some of you may know that I've used Shapeways a lot over the last 5 or 6 years, especially for model-making for my full time job. I've generally used their (cheapest) SLS nylon, because it's... cheap. Not fantastic detail, but very rugged, and the build volumes are large. I don't use FDM much, because my machine no workie, and the SLS doesn't have the layered effect.  


      Recently (for a couple years?) they've offered "engineering plastic," which has finer detail and better strength. And it can be had in black material: not just dyed white, but black (or gray) all the way through. This is important when you sprue parts together and then need to cut the sprues off.  


      But, the Shapeways' "engineering plastic" ain't cheap: 2 to 3 times the SLS nylon (they now call it "versatile plastic") cost. 


      Their "engineering plastic" is the product of Hewlett-Packard's Multi-Jet Fusion printer. Still nylon, but a better process / material type. So, if you find another place that prints with that, you should get the same outcome. 3DHubs started using it, but their prices quickly got even higher than Shapeways. Xometry also does HPMJ, but they're even more. The good thing about 3dHubs and Xometry is volume pricing, which SW doesn't have. 3DH & Xom are going after production markets, not just one-off's. 


      OK, I'm finally getting to the point. I don't need volume pricing for now, just good HPMJ product (in black; not everyone does that) for my one-off projects. I finally found a place to try out, Jawstec. Here's the comparison for 2 different parts, using the same process / material / models. 


      Shapeways:   Part 1: $151; Part 2: $55

      Jawstec:        Part 1: $58;  Part 2:  $18


      About 1/3 the cost! So I placed my order with JT, and will post on the quality when I receive the parts.


      BTW, the above prices were based on sprued models: no loose parts, all connected together. If you don't do that SW pings you extra for each separate "body," no matter how small. For grins, here's the pricing on part 1 with no sprues, all the parts loose.


      Shapeways:   $221

      Jawstec:        $58


      Wow, almost a 4:1 diff! JT's price didn't go up with it being a multi-body part, so I don't even need to mess with that tedious process, at least because of price. I might still though, to keep small parts together and not (as sometimes happens with SW) get lost in the process.


      Here's the part I'm talking about, all loose bits, about 6" long:





    • December 1, 2019 11:32 PM EST
    • Two New Carts and baggage


      [url=][img][/img][/url][url=]IMG_4709[/url] by [url=]Dennis Rayon[/url], on Flickr


      [url=][img][/img][/url][url=]IMG_4703[/url] by [url=]Dennis Rayon[/url], on Flickr

    • December 1, 2019 4:23 PM EST
    • Nifty!

    • December 1, 2019 4:00 PM EST
    • Some great printing, Bob.......

    • December 1, 2019 3:50 PM EST
    • Jon Radder said:

      Very cool.  So would you use a solid center beam of maybe aluminum or steel to tie it all together and handle the pull stress?

      Yep, my plan is to use two pieces of 1/4" square steel bar stock in the center and epoxy all the parts to it.  I might cross-drill it and pin it to the end sections as well.  These sections are very light, so Ill need some weight, and a couple pieces of steel bar stock should fit the bill nicely.

    • December 1, 2019 3:30 PM EST
    • Very cool.  So would you use a solid center beam of maybe aluminum or steel to tie it all together and handle the pull stress?

    • December 1, 2019 3:22 PM EST
    • Seeing just how far I can push one of these printers.   I envision car ends, a center section, and then sections I can insert to make cars of varying lengths.





    • November 30, 2019 2:38 AM EST
    • Cool.
      I miss my days of miniatures gaming.

      Just don't have the health to do it any more.

    • November 29, 2019 9:49 PM EST
    • Continuing down the printed path, here are some piping details.  They're made for tabletop wargaming, but are designed to use 3/4" elec conduit (about 27mm outside diameter).  So they work well for large pipe in our scale.


      Wall connector:



      Pipe support.  Its printed in two parts, and needs to be glued and the seam filled



      And a valve.  I cut off the too-tiny wheel, and will print something more size appropriate.


    • November 29, 2019 9:28 AM EST
    • Very nice Bob, good prints, all these little additives add a lot to the layouts


    • November 28, 2019 10:04 AM EST
    • and Ol' Stumpy to give it some scale...............

    • November 28, 2019 9:38 AM EST
    • Last night's prints. Low-poly lineside equipment boxes.  I have three different styles of the single and double ones; the location of the vents on the door changes.


    • November 27, 2019 11:17 PM EST
    • That's excellent, Dennis. Really nicely done. I have crate envy!

    • November 27, 2019 11:04 PM EST
    • Very Very Nice job there Dennis!

    • November 27, 2019 10:27 PM EST
    • Another Cart and a few crates

      [url=][img][/img][/url][url=]IMG_4697[/url] by [url=]Dennis Rayon[/url], on Flickr

      [url=][img][/img][/url][url=]IMG_4696[/url] by [url=]Dennis Rayon[/url], on Flickr

      The suit cases and crates are 3D printed, hand painted, the words are painted with a 5 haired paint brush, well 5 fingers pushing a mouse

      for the laser machine, Printed in white painted brown, the laser removes the paint exposing the white material. 


    • November 26, 2019 1:05 PM EST
    • Al Pomeroy said:



      I know where the hit /miss engine came from. did you come up with the 3d luggage, or was this downloaded? nice job.


      Al P.

      I Drew up the baggage cart and all the luggage and the sacks, I am making several different crates and Misc things, keep watching. 

      Thanks Dennis


    • November 26, 2019 7:31 AM EST
    • Dennis,


      I know where the hit /miss engine came from. did you come up with the 3d luggage, or was this downloaded? nice job.


      Al P.

    • November 25, 2019 10:22 PM EST
    • I have been having fun with some Baggage carts

      [url=][img][/img][/url][url=]IMG_4693[/url] by [url=]Dennis Rayon[/url], on Flickr

      2 More carts and small Hit and miss engine and another person  3D printed

      [url=][img][/img][/url][url=]IMG_4681[/url] by [url=]Dennis Rayon[/url], on Flickr

    • November 25, 2019 7:19 PM EST
    • I wanna know why just one insulator (telegraph?)  and why there is no flashing above the door framing?