"This image is a Quick Tip Guide showing the steps for using Knife Project to use 2 Objects as knives to cut through a 3rd Target Object.

The process is exactly the same no matter how many objects are used as knives.

For best results, objects used as knives (cutters) should be 2D, single faces or wire (edges only) type mesh objects.

After using a knifing a project like this, you may have to use the knife to clean up mesh because of curves created by the cutters and angles in the cut mesh.

Also remember a cutter will be applied to the mesh based on the angle you're looking at the target mesh through the cutter itself.

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