Pulley Locker 5mm - parametric

After some Kilometers of filament i always have the problem of moving with printed pulleys.

This thing stop's the moving, let you use your pulley longer and also minimizes the possibility of the belt's sawing your printer into pieces, if the pulleys begin to move within a long print.

The design is parametric, to get a fitting version you can increase the inner hole by a step value.

locker_series(outer_radius=7,radius=2.5,step=0.025,steps=4,distance=20);

To stay clear what size you ha