| White/Flexible questions from a New Guy [message #5767] Mon, 10 August 2009 18:06 UTC |
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I'm working on a scratch-built model aircraft, and I was wondering about the properties of the "White/Flexible" material. I assume you can sand it and paint it, but can you scribe it? I need to scribe some panel lines and wasn't sure if it's possible. Also, can I use enamels or do I need to use acrylics?
Thanks!
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| Re: White/Flexible questions from a New Guy [message #8297 is a reply to message #5767 ] Sun, 13 December 2009 05:16 UTC |
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Model aircraft are a great application of this technology, but if you are scribing panel lines you may be missing the point of 3d printing. Ideally those details would be in the 3d model.
To answer you question, yes you can work with it, but the material does not cut very easily. It's nylon and will deform under pressure.
Regarding finishing, the material is very porous. You can put whatever you want on it, but if you try all at once it will absorb it like a sponge. First, seal it with a few light coats of spray, taking care to dry it completely between coats.
Aaron - 40westdesigns.com/blog
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| Re: White/Flexible questions from a New Guy [message #8534 is a reply to message #5767 ] Thu, 24 December 2009 08:20 UTC |
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Indeed, you can better incorporate all (surface) details in the model itself.
Post production refinement is tricky (although not impossible) with swf.
Enamel pant works great with SWF, I used it on several models :Eardrops
Trimatrix
And they turned out great !
Although, my painting skills aren't that great, so to get an even finish I dipped the models in the paint and then removed the excess.
My personal attempts at using a brush mostly failed, because the process is quite unforgiving as to paint direction differences.
Mostly due to the very rapid absorption, I think.
That is why I resorted to dipping 
One thing I noticed is that the enamel (solvents?) seems to (temporarily) make the SWF a little more flexible/bendy/flimsy.
But after drying, it seems at least as strong as the unpainted, perhaps stronger.
Also, there are several model plane/helicopter designers around this site, I saw some topics on increasing SWF strength by dipping in cyanoacrylate. But that stuf scares me
Also check out this painting 3D printed SLS models tutorial
Regards
[Updated on: Thu, 24 December 2009 08:28 UTC]
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