mod_assemb_prep
!
csys,1
!
k,,5,0
k,,5,90
k,,5,180
k,,5,270
!
create_area,1
!
extrude_aset,5
!
init_entity_num
!
csys,0
clocal,11,1,10,1,2.5,0,0,90
!
*do,i,0,270,90
    k,,1.5,i,0
*enddo
!
create_area,1
!
voffst,am,-10
!
init_entity_num
!
vadd,all
!
init_entity_num
!
lplot