zu
Endaweni yokwakha nezinto zokuhlobisa, ikakhulukazi lapho kubhekene namapayipi ensimbi engagqwali, i-45 ° obtuse womgwaqo ivele njengengxenye ebucayi. Lokhu kufaneleka kwenzelwe ukushintsha indlela yepayipi ngenkathi kugcina ukugeleza okubushelelezi koketshezi noma amagesi. I-engeli yayo ye-obtuse, enkulu kune-90 °, ivumela ukujika kancane kancane, ukunciphisa isiphithiphithi kanye nokulahleka kwengcindezi