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Making small cylindrical hole in a large plate

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I am working in 3D space and want to make a cylindrical hole of radius 0.0016m in a plate.

The dimension of a plate is 1m x 1m and the thickness of the plate is 0.002m.


But when I use boolean operator (difference) it becomes not a cylindrical hole but a hexhedron.

(or when I worked within work plane, using boolean operator in this work plane also gives me rectangular, not

a circlular hole)

I searched here and everywhere on the web about this problem and I think I checked relative repaire tolerance small enough.

Any ideas?

0 Replies Last Post 04.06.2010, 13:56 GMT-4
COMSOL Moderator

Hello Heungson Lee

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