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 In real life (IE when you go to apply your engineering skills to tasks in industry) there will be constraints on all sorts of things - many of which may or may not be "fair" or even "intelligent". You must learn to either work around them or use them to your advantage - preferably a bit of both. - OScubed [more] |
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#15
18-12-2013, 19:03
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Re: Making molds!
Although there are many types of urethane, generally it is a pourable 2-part compound that is somewhat viscous, a little thinner than honey, but thicker than pancake syrup. It warms a little while curing, and shrinks a little especially in thicker casts.
Both ABS and PLA have enough temperature resistance to take a direct casting of most urethane. Surface finish may be less than desirable, and mold release agent is mandatory. 
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