Why does this intersection fail?
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@jean lemire said:
I always though that, for an intersection to work, the cutting geometry must be in the context of the other object.
It works if I make the small rectangle into a cube.
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Coplanar things only intersect if "intersect selected" is chosen. You cannot (obviously) select all inside the group context AND outside of it. Try with this file (created in version 6 where "auto intersect" was not introduced). Select all and perform an intersect with model. Nothing happens. Now select all and intersect with selected: it will intersect the two rectangles.
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