OCCT

# DIFFORIENTED fond de poche REVERSED REVERSED FORWARD (toutes les faces en causes sont FORWARD)

profile p1 o 0 0 40 x 175 y 250 x -175
prism pr1 p1 0 0 -40

profile p2 p 0 0 -1 1 0 0 o 0 0 50 f 25 -25 y -75 x 50 y 75
prism pr2 p2 0 0 -30

profile p3 p 0 0 -1 1 0 0 o 0 0 50 f 100 -150 y -75 x 50 y 75
prism pr3 p3 0 0 -30

bcut po1 pr1 pr2
bcut po2 po1 pr3

profile p4 o 0 0 50 f 50 75 x 75 y 100 x -75
prism pr4 p4 0 0 -30

bcut result po2 pr4
checkprops result -s 134500
checkview -display result -2d -s -otherwise { po2 pr4 } -path ${imagedir}/${test_image}.png