[FIDOCAD]
FJC C 1.4
FJC A 0.35
RV 30 10 80 60 0
LI 30 10 80 60 0
LI 80 10 30 60 0
BE 30 10 55 35 80 10 80 10 0
BE 80 10 55 35 80 60 80 60 0
BE 30 10 55 35 30 60 30 60 0
BE 30 60 55 35 80 60 80 60 0