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I am trying to apply a boolean modifier on a plane that is located exactly at the place where to objects connect to each other (their borderline vertices belong to the plane of the "Plane" object). I the plane to be cut according to the shape of those corridor object. Let's say take the shape of the doorway inside. However, when I apply a boolean modifier either nothing happens or the plane disappears completely.

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  • $\begingroup$ This is supposed to work... but it's hard to see the objects geometry from the picture (inner parts, normals, etc.). Could you add more details or upload a file with the needed mesh? $\endgroup$ – lemon Mar 12 '17 at 10:51
  • $\begingroup$ Booleans only work on manifold meshes with actual volume. A plane is flat with no "internal space" so no Boolean operations may be executed on it $\endgroup$ – Duarte Farrajota Ramos Mar 12 '17 at 19:03

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