AMS Lite spool lock that (optional) locks

Sometimes a spool did fall off the AMS Lite. Besides the many spool lock designs that are available on MakerWorld why not create a Parametric Model Maker, or OpenSCAD, design. How difficult can it be ? This design differs for spool 1+3 or for spool 2+4. The OpenSCAD file has many magic numbers. These numbers are determined during creating/testing/adjusting the model. Thus download it an start experimenting with it using the Parametric Model Maker or OpenSCAD. I recommend to use the Development Snapshot of OpenSCAD on your computer. It renders ‘blistering’ fast compared to the official release. At the Download page of OpenSCAD scroll down to "Development Snapshots" (https://openscad.org/downloads.html#snapshots). After installation, OpenSCAD (Nightly) , verify the 3d Rendering Backend is set to Manifold, for extreme fast rendering, see menu Edit -> Preferences -> tab Advanced -> 3D Rendeing -> Backend = Manifold (new/fast). OpenSCAD is not the fastest program and the older your