class Object ORIGIN = Geom::Point3d.new(0, 0, 0) X_AXIS = Geom::Vector3d.new(1, 0, 0) Y_AXIS = Geom::Vector3d.new(0, 1, 0) Z_AXIS = Geom::Vector3d.new(0, 0, 1) SB_PROMPT = 0 SB_VCB_LABEL = 1 SB_VCB_VALue = 2 end