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Part VI: Advanced Modeling
                                             The order in which the operations are applied affects the result. You can reorder the operations in the list
                                             by selecting an operation, choosing its position in the list, and clicking the Reorder Ops button.
                                      Cross-Ref
                                      You also can apply Boolean operations to shapes using the Boolean operators available for Editable Meshes in the
                                      Geometry rollout. Chapter 12, “Drawing and Editing 2D Splines and Shapes,” covers these 2D Boolean operators. n
                                        FIGURE 27.25
                                      The Insert operation only maintains closed volumes when subtracted.




























                                             The materials that get applied to a ProBoolean result can be set to use the Operand Material or to retain the
                                             Original Material. If you use the Operand Material with the subtraction operation, then the surface that
                                             touches the picked object retains the removed object’s material, and the rest of the object has the original
                                             object’s material. If the Retain Original Material option is selected, then the entire result gets the original
                                             object’s material.
                                             In the Advanced Options rollout are options for updating the scene and for reducing the complexity of the
                                             object. The Decimation value is the percentage of edges to remove from the result. If you plan on smooth-
                                             ing the object or converting it to an Editable Poly object, then you want to enable the Make Quadrilaterals
                                             option, which causes the polygon reduction to avoid triangles in favor of quads. You also can set the Quad
                                             Size, and you can select how planar edges are handled.






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