Igridi yesilingi se-T bar yenziwe ngensimbi eshisayo ecwilisiwe, icindezelwe ukuze imise okwe-T ngemva kokupholisa, upende obhakiwe phezulu, uphahla lwamanga omisiwe oluhlanganisa i-main tee, i-cross tee, kanye ne-angle yodonga ukwenza uhlelo lwegridi lusekele ama-tiles ophahleni.Isetshenziswa kakhulu ezakhiweni zomphakathi ezifana nehhovisi, isibhedlela, ikilasi, isikhumulo sezindiza nokunye.