restore [locate_data_file projortho006.brep] p 
explode p
compound p_1 p_2 p_3 p_4 p_5 p_6 p_7 p_8 p_9 p_10 p_11 p_12 p_13 c
nproject result c p_14 0.001 2 14 10
set length 90.802