This video is a add on to the Instructions of the 3D Printed Inline Drop Target Assembly i provide on Cults3d.com.
The STL & Greber Files as well instructions can be dowloaded here: https://cults3d.com/en/3d-model/game/pinball-inline-drop-target-assembly
All Pinball Parts are avaiable here: https://cults3d.com/en/users/wilfriedfabian/3d-models