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Ray, you are *the man*!  I have to set up the permissions... and, (here we go again) I have to iron the curtains for under my layout/benchwork NOW as my wife is setup and ready now to sew (hem?) them.  You can try a test upload to the 01 Test folder... I can't remember if I left it opened or not...

I'll be back in a while... THANKS!

Last edited by Dennis-LaRock

This is a great subject, it comes at a time when I'm starting to think about 3-D Printing, my only concern right now, is I have no clue where to start, I've been looking at some videos on who has the best unit or their top-5 units but I haven't  found one yet that says this is basically what you need to get started.  Obviously, I have a computer, an I-Mac but what type (s) of software do you need to get started?  I've seen a number of different printers and I don't know what to start out with.  I'm interested in making parts for some of my locomotives that seem to be lacking parts or maybe changing some parts out that are on there but could make the engine look a lot better if it had some more detail parts.  Is there somewhere one could go to find out this information before investing a bunch of money and then finding out that it just may not be for you.  Had that happen a couple of times and would really like to avoid it a 3rd time.  It really seems like it would be very interesting and a lot of fun to do.

Great thread, thanks for starting it.

Last edited by J. Motts


   Thank you for putting up the Repository it will be a great source to those who 3d print train related models.   I visited the site and think it is coming along quite well.  Is there a way to put on the scale of the model posted so that you could then modify to what size is appropriate for you scale trains?   Again thanks for taking on this project.



All of the Contributors are modeling in O scale/gauge which is the original and specific intent/purpose of the Repository.  Firstly, we would like new comers to 3D printing to have *early successes* and not become frustrated, even by adjusting the scale... and secondly, for modellers not to *have* to constantly reinvent the wheel freeing them up for more creative endeavors.   If someone mistakenly (lord knows it could be me... I could even label the scale incorrectly) puts up the wrong scale file please let me or one of the Contributors know and we will deal with it.  I'll add some verbiage to remind folks that it is for O only.

Thanks for the insight!

Last edited by Dennis-LaRock

The main heading states O-Scale, everything under that heading then would be O-Scale, what would be a help in many cases is to put a few dimensions on the part that is in the photo which would let users have a good idea of the size at the start.  For example:

Roof Sign BBA_1

There also might be a word.doc explaining specifics that might be needed to help print the part.


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  • Roof Sign BBA_1
Last edited by sidehack
@CAPPilot posted:

I'm looking at getting a Comgrow Creality Ender 3 Pro 3D Printer.  Is this a reasonable printer for our hobby?

I have the Ender 2, works great for our hobby.  I recommend trying some of the freebies at Thingiverse to get a feel for your machine and get it dialed in. I found that heating up the plate again at the end helps when removing the prints.

Rose twist vase was made on rough setting, took less than 1 hour - It's been painted.  The Fractal Pyramid took around 5 hours.



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  • 3D_vase
  • 3D_pyramid

JEM… and, all considering the purchase of a 3D printer,

Before buying a 3D printer I would suggest signing up with TinkerCad… it is a free, browser-based CAD program with interactive tutorials.  Take your time and go through all the tutorials… then, take the simplest design that you want to create and create it in TinkerCad.  At this point you have spent $0.00

Once completed, you will be in a much better position to decide which 3D printer to purchase... and, you will have a much easier learning curve to the software that comes with your printer and other available CAD offerings.


Last edited by Dennis-LaRock

I printed out an Elevated Track for my City.  I designed all the parts parts for the El and then found the ones for the Passenger Platforms.  Here is the link to my post:  Link to Elevated Post

I used NX to develop the models, exported them to .stl, and then used Simply3D to print them out.  I talked to a professional friend that I know does modeling for his company and he said to use Simply3D to set up the model and to print it out.

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