puts "========"
puts "OCC775"
puts "SAM1650"
puts "========"
puts ""
#############################
## Impossible to fuse two attached shapes.
#############################

restore [locate_data_file OCC775.brep] a 
explode a
checkshape a_1
checkshape a_2

bfuse result a_1 a_2

set square 61146.4
set 2dviewer 0