Sfiii3 hitbox viewer cheat in MAME

Classic Fighting Games Street Fighter III: 3rd Strike
1

http://www.mamecheat.co.uk/forums/viewtopic.php?f=4&t=12413
Enable cheat option in MAME (with lua cheat support such as 0.187+) plugin. And load the cheat.

You will be able to see the hitbox.