warning的建模问题

chenweiweiwu

gen zone brick p0 = 0 0 0 p1 = 75 0 0 p2 = 0 200 0 p3 = 0 0 200
gen zone wedge p0 = 75 200 180 p1 = 75 0 180 p2 = 80 200 180 p3 = 75 200 145
gen zone wedge p0 = 75 0 141 p1 = 75 200 141 p2 = 80 0 141 p3 = 75 0 176
m m
为什么会产生这么多的warning？
请各位大虾指点
怎样修改？