My Xbox One Strike Sticks were designed with FPS players in mind. They enhance the feedback of movement of the thumbsticks on the Xbox One controller. I experimented a lot with different heights and shapes and these seem to be just right for me. They should snap on tightly and hold firm. one stick is designed for movement (left) and the other for aiming (right) so attach them accordingly. If you want to post a picture i'd be glad to see how it comes out. These are the Cyclone Series

Printrbot

Simple Black

Doesn't Matter

Yes

40%

I use supports for these with ABS.