1、直接画线

(command “line” (list s1 s2 s3) (list s4 s5 s6) “” )
(command “line” (list s7 s8 s9) (list s10 s11 s12) “” )

2、直接画面

(command “3dface” (list s1 s2 s3) (list s4 s5 s6) (list s7 s8 s9) (list s10 s11 s12)”” )
(command “3dface” (list s13 s14 s15)(list s16 s17 s18)(list s19 s20 s21)(list s22 s23 s24)”” )

3、直接画体

(command “3dpoly” (list s1 s2 s3) (list s4 s5 s6) (list s7 s8 s9)(list s1 s2 s3)”” )
(command “3dpoly” (list s10 s11 s12)(list s13 s14 s15)(list s16 s17 s18)(list s10 s11 s12)”” )
(command “loft” (entnext)(entlast) “” “”)