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Fusion model:
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  the model needs cleanup and to make explicit which parts are reprensenting
  mechanical parts, which parts are to be 3 D printed
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  and which parts are to be laser cut.
 
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 3 D Printed:
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 I sent 2 jobs to 3 D print with ABS material to the Stratasys
 machine. Each job was ~20 hours. The resolution is very good in the finished
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 parts. 
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 Laser Cut: 
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 I used Delrin 6mm thick with epilog 120watts. The settings were 20% speed
 100% power, 500 frequency. 4 passes each piece. The material gets heated
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 and need to take turns in cutting each piece. Had to do several tests to understan
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 the settings of the laser cutter. While cutting, many 'angels'
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 appear (flames).
 The fumes are very toxic. I will try to replace some parts with acrylic.
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