Paramteric Lock Plug Followers

This is my collection of custom locks followers to match all situations.
If you have a specific usage in mind add a comment and I'll add it or you can open the FreeCAD file and customize your size ([see intro to FreeCAD](https://youtu.be/KrNlCbYXB4c)).

Master_padlock.stl -> tested on Master pro-series 6835 core with the flat edge
Abus_padlock.stl -> tested on Brady LOTO/ABUS 71/40 core
revolver_follower.stl -> To repin Sparows Revolver, [see video](https://youtu.be/3tVHvWSUrNI)
US_0.5in_full.stl / US_0.5in_slot.stl -> any 1/2in US core (Schlage/Kwikset/...)