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How to adjust the precision of boolean operation and how to use the shape_fix

csaber's picture

I am using OCC 6.5.4 ,but when I use Boolean operation , the result shape is not closed or valid. I guess it maybe be caused by the precision of boolean operation .
So I want to know how to adjust the the precision of boolean operation, and how to adjust back after the boolean operation. If the shape is not closed or valid ,how to use the shape_fix fix it. Can anyone provide a example or discuss with it?