4 C = 6.15: FOR K = 0 TO 9: HGR2 :D = 15:F = 40:Q = 20:E = 279:B = C: FOR J = 1 TO 3:P = 145: FOR I = 0 TO 530 STEP 12.48:X = 149 +I/B:Y = Q - SIN(I) *D: HCOLOR= 7
5 HPLOT X,Y TO P,Q: HPLOT X,F -Y TO P,F -Q: HPLOT E -X,Y TO E -P,Q: HPLOT E -X,F -Y TO E -P,F -Q:P = X:Y = Q: NEXT :D = D +8:Q = Q +60:F = F +120: NEXT :C = C +.3: NEXT