Subject:
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Re: Liquid Plastics
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Newsgroups:
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lugnet.parts.custom
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Date:
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Fri, 27 Aug 2004 02:40:46 GMT
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Viewed:
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4401 times
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In lugnet.parts.custom, Bianca Nebab wrote:
> Some parts can be replicated fairly well, however, any piece requiring a lot
> of under cutting (e.g, studs) can get complicated, since air bubbles result
> in the undercut areas unless you create proper air channels to allow trapped
> air to escape. Air channels in turn result in extra flak that has to be
> trimmed off and finished, etc.
For parts where studs cause these problems, have you considered casting them
upside-down? Then the plastic will flow into the stud compartments by gravity,
and the bubbles will all float up to the rim of the part. Add a few flow
channels to the outer rim and the interior tubes/rods, tip the part a little bit
so all of the surfaces slant towards the flow channels, and all you have to do
is trim/file/sand the underside flat.
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Message is in Reply To:
 | | Re: Liquid Plastics
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| (...) I use Smooth-on liquid plastics regularly with my other toy hobby, making custom action figures. The problem with using them to make LEGO-compatible parts is that these liquid resin plastics (like Alumilite, Micro-Mark, etc) are meant to be (...) (20 years ago, 26-Aug-04, to lugnet.parts.custom)
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