28BYJ Stepper Shaft WormStruder Remix

This is a early release of me tinkering to 'upgrade' the wormStruder ( https://www.thingiverse.com/thing:28126 ) to the ultra light 28BYJ stepper...
I modified the shaft receptacle and also added a 5mm extension pin on the loose side thinking about adding a 625zz bearing there to give additional shaft support to remedy the very short shaft length of the small geared stepper (31g weight)... Already using a 28BYJ to Nema17 adapter like https://www.thingiverse.com/thing:2707798 this worm gear coul