y_1 = y_2 = 20 mm
y_1' = 13 mm
y_2' = 69 mm
dx = -140 mm
dx' = 297 mm
L = 621 mm
a_1 = 130 mm
a_1' = 491 mm
a_2 = 496 mm
a_2' = 125 mm
l = 366 mm
a_0 = 491 mm
a' = 150 mm
l = 422 mm
F_1 = 100 mm
F_1' = 110 mm
F_2 = 135 mm
F_2' = 138 mm
l = 253 mm
l' = 239 mm
a_0 = 319 mm
