求助一个简单的立方体的规则网格划分，谢谢

liuhsh1

建了一个10x10x5mm的立方体，在顶面又建了两个立方柱2x2x5mm，又在顶建了一个10x10x5mm的立方体,然后和小柱overlap后和底下的立方体glue。其中底面的一个立方体和柱是一种材料，上面的立方体是另一种材料。想话网格，总是画出不规则的六面体，请教高手如何画出规则的六面体。

fini /clear
/PREP7  
!*  
ET,1,SOLID45
!*  
BLC4, , ,0.01,0.01,0.005
/VIEW,1,1,1,1   
/ANG,1  
/REP,FAST   
KWPAVE,       5
CSYS,4  
BLC4,0.002,0.002,0.002,0.002,0.005  
FLST,3,1,6,ORDE,1   
FITEM,3,2   
VGEN,2,P51X, , ,0.004, , , ,0   
BLC4, , ,0.01,0.01,0.005

/PNUM,VOLU,1

LPLOT   
FLST,2,3,6,ORDE,2   
FITEM,2,2   
FITEM,2,-4  
VOVLAP,P51X
/REPLOT
FLST,2,4,6,ORDE,3   
FITEM,2,1   
FITEM,2,-3  
FITEM,2,5   
VGLUE,P51X  
LPLOT