3D Intersection in AutoCAD

This command is the least used one of these 3 commands (UNION, SUBTRACT, INTERSECTION) but it shares the same properties and requirements with the others.

This command will help you have an object resulting from the intersecting area/volume of two surfaces/solids.

3D intersection in AutoCAD

To use the INTERSECT command in AutoCAD

  1. Type INTERSECT and press ENTER
  2. Select objects and press ENTER

Let’s reconsider a circle and a rectangle.


Let’s position them in a way they overlap. Applying the INTERSECT command will result in the image in red.


Here is a 3D image resulting from this command. The object in blue is the intersecting volume to the two overlapping spheres.

On the left: two overlapping sphere
On the right: Intersecting volume