Paipa kati kōtuhi maitaiRauemi Commen
1.Square ngongo: te tikanga e whakamahia ana i runga i te poutū poutū o te kōtuhi atamai, tenei whakatakotoranga whānui ko 70 * 50,50 * 100, 100 * 100, 120 * 120, 150 * 150 ranei atu ngongo tapawha nui, ngongo tapawha iti pērā i 50 *50 mo te kati kōtuhi pae here whakapae.
2.Circular tube: ka whakamahia hei hanga i tePaipa maitai mo te Whare Kakariki.He hanganga kawenga tuarua, a, ka tukuna te kaha ki te hanganga ahotea matua i muri i te raruraru.Koia te anga o te kati kōtuhi.