Imashini zanyuma za karbide zifite uburebure bwimyironge (1.5xD), impande ebyiri, eshatu, cyangwa enye zo gukata, hamwe nikigo gikata radiyo yuzuye cyangwa "umupira" kumpera.Baraboneka muri rusange intego ya geometrie hamwe nubushakashatsi buhanitse.