"circle" zx (* 0.5 l1))；command

(dfw)

)；while

(PRINC)

)

(defun ss ( )

(while e1

(gy)

(setq p55 (polar zx (* 0.25 pi) (* 0.45 fc))

p56 (polar zx (* 1.25 pi) (* 0.45 fc))

p57 (polar zx (* 1.25 pi) (* 0.225 fc)))；setq

(command "pline" p57 "w" (* 0.45 fc) "" "a" "ce" zx "a" 180 ""

"line" p55 p56 ""

"circle" zx (* 0.45 fc) )；command

(dfw)

)；while

(PRINC)

)

(defun kz ( )

(while e1

(gy)

(setq k1 (polar zx zj (* l2 0.7))

kzx (polar zx zj (* l2 0.35))

k2 (polar k1 (+ zj (* (/ 1.0 2.0) pi)) (/ l2 2.0))

k3 (polar k1 (+ zj (* (/ 3.0 2.0) pi)) (/ l2 2.0))

k4 (polar k1 zj (/ l2 2.0)))；setq

(command "line" p1 p2 p3 p4 p1 ""

"line" k2 k3 ""

"line" k1 zx ""

"arc" k2 k4 k3)；command

(xzjd)

(command "rotate" "c" kzx k4 "" zx zj)

(dfw)

)；while

(PRINC)

)

(defun flsz（）

(if (= fl "Y")

(progn

(setq p32 (polar zx (+ zj (* (/ -1.0 2.0) pi)) (* 3.0 *bl))

p33 (polar zx (+ zj (* (/ 1.0 2.0) pi)) (* 3.0 *bl))

pf1 (polar p32 (+ zj (* 0.0 pi)) (* 0.5 l1))