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Hi all,

I needed to machine the top to the boiler on the steam launch I am building and stumbled onto a perfect material to use.

I used an old PVC cap and was really pleased with how easy it was to turn in my Unimat lathe.  It's soft and easy to machine but holds nice detail.  Just thought I would pass it on.




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Yes, it may be easy to machine, but PVC contains softeners (which is why it is soft  :D ) that will diffuse out with time, making it brittle. That may be ok for a working model with a limited life time, but not good for 'museum'-type models. There are more durable plastics around, such as acrylic glass.



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