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Author Topic: 3D Printing  (Read 10816 times)

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Offline Stevie DC

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Re: 3D Printing
« Reply #30 on: May 13, 2011, 04:04:09 PM »
I'd like to echo the Captain's comments, I think that the prints look very good. Interesting to see that some of the parts have bowed slighty, could some warm water help with this?

Offline moogle

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Re: 3D Printing
« Reply #31 on: May 21, 2011, 11:28:57 AM »
Well I heard from Shapeways yesterday that my models were printed.
Thats the good news. The bad news is that my open wagons broke when printed and that my cattle wagon had warped sides.  :(
Walls too thin obviously so I'll have to redesign them. Everything else printed so now I wait for UPS to deliver!  ;D
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Offline matt-b

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Re: 3D Printing
« Reply #32 on: May 21, 2011, 11:50:37 AM »
how expensive is this?
i dont really understand, so i draw a model and then someone makes it?.... (sorry for being stupid)

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Offline moogle

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Re: 3D Printing
« Reply #33 on: May 21, 2011, 12:06:19 PM »
Thats right. You draw it, they make it. (Print it)
It is possible to buy a printer and print your own if you have a large bank balance!  :smiley-laughing:
Its not that expensive, if it was, I wouldn't be using it.
You pay for amount of material used plus a start up cost to cover use of the printer, staffing etc.
The postage costs are factored in already.
http://www.shapeways.com/support/pricing
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Offline matt-b

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Re: 3D Printing
« Reply #34 on: May 21, 2011, 12:10:39 PM »
this sounds interesting, i`m not very good on cad thou, does anyone offer a "this is what i want, draw it please" service?

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Offline moogle

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Re: 3D Printing
« Reply #35 on: May 21, 2011, 12:14:55 PM »
this sounds interesting, i`m not very good on cad thou, does anyone offer a "this is what i want, draw it please" service?

 :NGaugeForum:

I'm a beginner in cad myself using Google Sketchup. (As its free!)
I don't know if such a service is offered, though I would imagine someone does somewhere for a price...
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Offline matt-b

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Re: 3D Printing
« Reply #36 on: May 21, 2011, 12:20:20 PM »
i see, sounds good to me. i`m not sure what i would want thou. i`ll have a think about it. n gauge bmw 3series sounds promising  ;)

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Offline Stevie DC

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Re: 3D Printing
« Reply #37 on: May 21, 2011, 01:24:05 PM »
My friend is a freelance designer (CAD, graphic, etc) and starts at around 25 per hour if that's any indication. I would assume that this is somewhere near the going rate but someone might be able to do it cheaper.

A BMW would be an interesting project to start with. I tried to model a car which proved very difficult to try and get all the various curves right - as has a streamlined B17 to date!

I've got my prints from Shapeways, although I've managed to break a couple of the details on the Pigeon Van already, the next print will have these weak spots beefed up a bit too! Also my printed NEM pocket hasn't worked out quite as planned, the coupling fits but won't move up and down, something else to be fixed going forward. Pictures to follow shortly.

Offline matt-b

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Re: 3D Printing
« Reply #38 on: May 21, 2011, 01:26:48 PM »
how about the front couplier for the 57 virgin thunderbirds, that could sell on ebay  :) think there would be to much detail involved?

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Offline captainelectra

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Re: 3D Printing
« Reply #39 on: May 21, 2011, 06:14:55 PM »
I've been dabbling with Google Sketchup but have yet to create anything vaguely looking like a useable building, let alone an item of rolling stock. Really need to sit down and learn the subtle arts of the third dimension. Would love to be able to do some of the curved front ends of modern rolling stock, such as the Class 180.

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Offline moogle

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Re: 3D Printing
« Reply #40 on: May 24, 2011, 01:34:53 PM »
Today my parcel from Shapeways arrived. So exciting!  :)
I carefully opened it and got out the coach I had designed from its packet.



None of the detail below the windows had printed. So I've gone wrong somewhere!
Then I turned the coach around to see the other side.



This side hadn't printed at all!  :o
Well, a tiny bit on the ends and bottom.
The ends and roof were fine.
Obviously I've a lot to learn doing this 3D malarky but I'm not put off as I see its potential.
The other item in my parcel was a pair of station name boards. (Only one shown)



These had printed perfectly. They are slightly flexible due to their thinness but the 0.1 mm high lettering is quite crisp.
If you can't see it properly in the photo it says 'Kilnevan' with 'Cil Naomhan' underneath as I needed dual language ones.
These will look a treat once painted and mounted on posts.
So I'm happy, I just need to practice more 3D drawing and amend my designs.
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Offline Tank

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Re: 3D Printing
« Reply #41 on: May 24, 2011, 01:57:16 PM »
A very good effort.  It's quite exciting....I might try and learn this myself.

Offline moogle

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Re: 3D Printing
« Reply #42 on: May 24, 2011, 02:12:25 PM »
A very good effort.  It's quite exciting....I might try and learn this myself.

Thank you. You're right, it's exciting!
Having started learning last year how to make silicon rubber moulds and cast in resin I can see me using both processes at once.
Using 3D printing to make a 'master' to make the mould from will be easier than making one from scratch and more accurate.
In theory at least!  :smiley-laughing:
I got a book a while ago called 'Google Sketchup 7 for Dummies' which I find quite helpful.
Though I tend to play and learn 1st, then read the book!  :o
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Offline zwilnik

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Re: 3D Printing
« Reply #43 on: May 24, 2011, 03:37:23 PM »
My brother's building himself a RepRap http://reprap.org/wiki/Main_Page so once he gets it working, we'll be seeing if it's practical for any N Gauge models. (probably only more basic ones as the resolution is only about 0.35mm).

Offline moogle

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Re: 3D Printing
« Reply #44 on: May 24, 2011, 10:35:35 PM »
My brother's building himself a RepRap http://reprap.org/wiki/Main_Page so once he gets it working, we'll be seeing if it's practical for any N Gauge models. (probably only more basic ones as the resolution is only about 0.35mm).


Interesting bit of kit those RepRap's.
Resolution's not brill as you say but for what they cost you can't expect the earth!
Even if you could only make basic shells to add detail to it'll be worth it as you can
then make as many as you want without needing a mould as you would in casting.

On closer inspection of my station name boards I noticed a few vertical lines.
I filled these in using superglue, not a method I've used before but it works.
Only trouble is, it made painting the letters harder!  :smiley-laughing:



So, having only done one, I'll paint the second one before I fill in the gaps.  :o
And since I've made these and painted one I found out that the English spelling should be at the bottom! Not to worry...
« Last Edit: May 24, 2011, 10:40:18 PM by moogle »
Personal motto: You don't have to be mad to be a modeller, but I find it helps!

My Irish layout here

My Edwardian Seaside Layout here

My Backscene painting tutorial here

 

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