Universal picatinny rubber band flashlight mount

I designed this mount to fit snuggly on a picatinny rail for airsoft to mount a flashlight, laserpointer, round action cam, .....
All mounts I've seen so far, require a special diameter flashlight. With this mount it doesn't matter what size of flashlight you use. The flashlight or whatever you want to put in it, can be secured with rubber bands or a cord.
If you want extra security, you can download either the version with a nut and put in an M3 30mm screw and nut. Or you can use the one with