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O/On30 Lasercut Buildings. - Scratchbuilding. - More Practical Help - Your Model Railway Club
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 Posted: Thu Feb 10th, 2011 09:50 am
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Stonedragon
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Hi,
It's me again.
Have been cutting out and glueing together some more lasercut stuff.
I'm rather proud of it.
This is raw, with no painting or weathering. This is straight off the laser and glued together with PVA.
It is in approx 1:45 scale.



The tower can be moved to either side of the front. It can be rotated to have doors at the side rather than the front.
Can be configured with 1 door or 2. One on each side.
The windows can have the crosses removed and have stained glass inserted.
The roof comes in shingles or corrugated iron.
Hope you like it.

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 Posted: Thu Feb 10th, 2011 10:16 am
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Perry
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It looks very nice. Is there any particular reason you chose 1:45 scale?

I take it once the design is done, as many copies as you want can be run off by the lasercutter? If that is the case, surely this is kit production, not scratchbuilding? That's not a criticism though, just an observation. :thumbs

It's a nice technique, but presumably out of the financial reach of most of us. Can you give us some idea what the overall cost would be to get set up for something like this; the computer software, the lasercutter, the materials, etc?

Perry



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 Posted: Fri Feb 11th, 2011 04:36 am
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Stonedragon
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You are completely correct. After all the work of drawing up the plans it makes sense to try to sell kits and a friend is going to be doing exactly that.
In order to use his $35000 laser cutter I give him the completed drawings and he sells kits to recoup his outlay.
I get the use of the machine and he gets drawings done.
Works for me.
Apart from the laser you need a cad package or Corel Draw. That is about $300.
Then there are the consumables.
It's not cheap but is a hell of a lot of fun.
It is also so much more accurate than a saw.
As for scratch building. I made it from scratch. It was just flat MDF and cardboard when I started. I'm just using modern technology ( lasercutter ) rather than old technology ( a saw ).
I think the imagination is what is important in scratch building not the tools. I may be wrong ( I usually am - I'm married with 3 daughters ).

There are other people out there with cutters who would probably cut stuff for others ( for a price ) if people were to draw up their own gear.
Maybe they could make themselves known.
Who knows



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 Posted: Fri Feb 11th, 2011 07:22 am
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Perry
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Thanks for all the information. It certainly produces very neat results. :thumbs

Perry



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 Posted: Fri Feb 11th, 2011 07:42 am
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phill
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Lovely model mate.

Now i think i put this laser thingy on me Chrimbo list :roll:, i woukld charge GWR fans half the cost and the rest of you lot double :twisted::mutley

Phill

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 Posted: Sat Feb 12th, 2011 12:16 pm
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ddolfelin
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I expect I'm being thick again.

I understand the laser cutting but how is the surface detail applied?
Your post says that it is just glued together but I didn't think the laser cutters produced colour and stone-like flat forms.



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 Posted: Sat Feb 12th, 2011 08:52 pm
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Black5
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ddf.

The whole thing is done by laser cutting..Brick work, penny corners, doors..everything, I saw the model on Thursday last. It takes up to an Hour to cut on the laser,  there will be a spire added as an option later.
It really is a great looking thing in the flesh :thumbs

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 Posted: Sat Feb 12th, 2011 09:11 pm
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Stonedragon
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The MDF for the walls is first painted with a texture paint I mix (consisting of Paint, PVA glue and plaster ). It is applied roughly with a 4 inch brush so that the surface is rough and textured then the laser cuts the stone. The flash from the laser causes the apparent relief effect.
I will include some more photos later of different surface effects.
When I said it hadn't been painted, I meant after the cutting and engraving.
Sorry bout that chief.

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 Posted: Sat Feb 12th, 2011 09:32 pm
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ddolfelin
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"I meant after the cutting and engraving"

So did I!
It's a marvellous result.



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 Posted: Sat Feb 12th, 2011 10:35 pm
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Stonedragon
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I'm pleased with it. It did take some experimentation.
Eventually we hope to offer it in different colours.
I actually see it as a starting point for people who want to weather and customise it further.
There is other stuff at
http://modelsnmore.com.au/
if you are interested.

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 Posted: Sat Feb 19th, 2011 09:39 pm
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Petermac
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Does the cutter use a laser beam to do the cutting or for accurate guidance of some other means of cutting / embossing  ?



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 Posted: Sat Feb 19th, 2011 10:25 pm
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Stonedragon
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The CO2 laser produces heat that cuts the material.
The only thing it will not cut is metal which requires a YAG laser.
These work at a different frequency and are much hotter.
There is a small unit advertised on ebay at an ebay store called FOODOO.
Check them out

David

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