Brlcad/How to mged/region

Shape regions are created by performing boolean geometric /union/, /intersection/ and /subtraction/ operations. Creating a region from a list of shapes The r command is used to create a region from a list of shapes. Note that the shapes must have been created in the database for the operations to work: # Create a region named region1.r that consists of a union # of the objects sph1.s and sph2.s r region1.r u sph1.s sph2.s