be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of be a property of/have a property of have as an offset/void composite spatial object edge face pty bounding rectangle pty element value pty geometry 2d edge pty geometry 2d face pty geometry 2d ring pty geometry 3d edge pty geometry 3d face pty geometry 3d region pty geometry 3d ring pty geometry 3d shell pty geometry complex 1d edge pty geometry ring depth interval pty geometry simple 1d edge pty location 1d pty location 2d pty location 3d region ring shell vertex pty geometry 1d edge pty location property