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How to Choose Between Additive and Subtractive Manufacturing Methods
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作者
fictivmade
大约 10 年前
1 comment
MichaelCrawford
大约 10 年前
How to carve an elephant out of a large block of stone:<p>(Additive) Obtain a large block of stone.<p>(Subtractive) Remove all the parts of the stone that do not look like an elephant.