select only visible mesh

 From:  lopatam (GIANMARCO)
1810.3 In reply to 1810.2 
Thanks Michael .
For me this will be a great feature ,my clients give me igs files with a tons of "hidden" pieces ,quite a bit boring to delete them .
Imho you've built a very good software with the best lwo/obj exporter I ever used.Keep going !