#A6----------------------------------------------
box b1 40 40 15
profile p o 25 20 10 p 0 -1 0 1 0 0 l 10 t 0 30 \
t -7 0  
revol p p 20 20 0 0 0 1 330
bfuse f b1 p
nexplode f f
#deouillep result f 0 0 1 f_10 1 0 0 40 0 0 1
depouille result f 0 0 1 f_8 3 0 0 40 0 0 1 \
f_7 5 0 0 40 0 0 1

set square 9087.81