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| Re: Wooden toilet and train car in TT scale [message #43137 is a reply to message #43122 ] Mon, 30 January 2012 19:41 UTC |
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Like the dunny 
Is it two models or does the door open?
Cheers
Stu
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| Re: Wooden toilet and train car in TT scale [message #43143 is a reply to message #43122 ] Mon, 30 January 2012 19:55 UTC |
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The frosting is caused by the support material. It appears the model was printed from the base to the top, and support material had to go all the way up the side of the walls to support the roof.
The Mad Moder
michael@shapeways.com
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| Re: Wooden toilet and train car in TT scale [message #43146 is a reply to message #43143 ] Mon, 30 January 2012 21:15 UTC |
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Hi Kaczor;
Were the sides of the narrow gauge car behind the cross-bracing supposed to be smooth without horizontal lines?
Would you post an image of the computer model for comparison with the print?
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| Re: Wooden toilet and train car in TT scale [message #43167 is a reply to message #43160 ] Tue, 31 January 2012 00:32 UTC |
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| GWMT wrote on Mon, 30 January 2012 22:59 |
Now I think I'm going to try it as a flat kit with separate sides and ends so no support material gets printed on the outside surfaces. Your model might turn out better that way.
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Counterproductive.
1.)
We avoid multiple parts per file whenever we can, and Shapeways don't make "one pice per file" an official rule.
2.)
We have no control about the print direction.
If it's better for the printers capacity utilisation, the separate sides might (still) get printed edgewise.
Other question...
Do you really need FUDs detail level ?
I have this item on the table for painting.
The groovings for the rolling shutter gates are 0,3mm wide and 0,3mm deep.
The door casings are 0,5mm wide and 0,5mm tall.
... and those specs are perfect for a print in "White, Strong and Flexible, polished".
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| Re: Wooden toilet and train car in TT scale [message #43173 is a reply to message #43167 ] Tue, 31 January 2012 02:02 UTC |
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WSF is unsuitable for model trains smaller than 1:48, UD and FUD is the only way to go. The 'frosting' on the side of the car is normal. This can usually be helped by uploading the file with the bottom of the car in the X-Z plane (lying on its side). It will usually be re-oriented in the vertical direction, but at least the sides will be in the X-Z, rather than the dreaded Y-Z plane. I've had warping problems, and really the only way to prevent that is to make boxes and/or framework. Shapeways doesn't seem interested in handling our small models with the care they need.
Earl Grey, hot.
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| Re: Wooden toilet and train car in TT scale [message #43176 is a reply to message #43167 ] Tue, 31 January 2012 02:04 UTC |
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I always join the parts together with sprues so nothing will get lost.
You do have more control over orientation with FD and FUD than WSF if you make sure your preferred print orientation uses less support material than the other possible orientations; the operator should choose that orientation for printing because it uses the least amount of (support) material and machine time to print the part.
I need the finer resolution; WSF cannot print 0.3mm rivets or holes on the 'side' orientations of the print plus you get a 0.3mm deep indentation where the outside edge of the print should be on the 'bottom' orientation of a WSF print. WSF's surface is too grainy to represent steel surfaces in HO scale - it'd take days to sand around all those rivets (if they printed) without destroying them.
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| Re: Wooden toilet and train car in TT scale [message #43195 is a reply to message #43167 ] Tue, 31 January 2012 07:55 UTC |
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Great models Kaczor!
@pfeiffer stylez - If Shapeways pays for FUD the same way as other services charge, then making the sides of a carriage seperate and flat in the sam plane will more or less guarantee the outside (or inside) will be uppermost on the print tray - the reason, other services charge per vertical mm for the area of the tray. Also WSF will get nowhere near the same level of detail as FD or FUD.
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| Re: Wooden toilet and train car in TT scale [message #43524 is a reply to message #43522 ] Mon, 06 February 2012 10:39 UTC |
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OOOOH........POO!  Guess we wont be using that idea then 
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