Xa iqondo lobushushu linyukela kwiqondo lobushushu begumbi, kufuneka liqukunjelwe kwangethuba ukuphelisa ngakumbi uxinzelelo lonyango olubandayo, kuphephe ukwenza iintanda zonyango olubandayo, ukufumana izicubu ezizinzileyo kunye nokusebenza, ukuqinisekisa ukuba isiseko sokungunda esichanekile asikho deformable ngexesha lokugcina kunye nokusetyenziswa.
Isiseko se-mold yimveliso egqityiweyo ye-mold, ehlanganiswe nezixhobo ezahlukeneyo zeplate yentsimbi. Kunokuthiwa yi-skeleton ye-mold yonke.
Ngenxa yokuba iziseko zokungunda ezahlukeneyo zokuphosa zinezakhiwo ezahlukeneyo kwimiba eyahlukeneyo, usetyenziso lwazo lwahlukile.
"I-non-standard" egameni lesiseko se-mold non-standard sithetha ukuba singenamlinganiselo, kwaye le nto ingabonakaliyo ibonakaliswe kwiinkalo ezininzi zesiseko sokubumba.
Isiseko sokungunda esichanekileyo sisixhobo esisetyenziselwa ukwenza izinto. Esi sixhobo senziwe ngamacandelo ahlukeneyo, kwaye iziseko zokungunda ezichanekileyo ezahlukeneyo zenziwe ngamacandelo ahlukeneyo.
Zonke iitemplates kufuneka zihlanjululwe. Kwisiseko sokubumba sobumba obufanayo, ubume be-chamfer bufuneka ukuba bufanane. I-chamfer yi-45%. Ubungakanani bayo yonke imingxunya kwitemplate jikelele (0.5 ~ 1mm)X45°.