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QUOTE (PAPPA.B @ 21 Dec 2019, 14:05) <{POST_SNAPBACK}>………... As for O I think OO is expensive and O is twice the size and even much more than twice the price let alone the space needed, definitely a lottery win......
When comparing 00 and 0, don't forget that a doubling in linear scale results in an 8-fold increase in volume and a 4-fold increase in area, so rather more materials are required to make the model that the simple doubling of scale first seems to imply!

John
 
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