Yes. Select object. From the drop-down menus, select "Object". Select "Edit object". Select "Solid when Boolean Rendering". Now when you assign positive or negative attributes to the imported object, most objects (not all, unfortunately) will behave like Bryce primitives do when using Boolean operations. John

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy