I cannot find the surface extrude 3 which you are trying to cut with.
Ensure that the surface cutting is cutting the whole face/surface - SolidWorks cannot cut if not on a whole face
I want the surface in blue to cut the boss extrusion. The surface intersects the extrusion boss.
It needs to cut of a whole part of the body - it cannot cut partial part
I have to surface cutting the boss and its one the whole part. I updated the file.
This surface does not separate the body so that you cannot cut it.
because its midway? It has to be the length of the whole body?
Just to show you example. This way only you can cut.
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