Parametric Adjustable Lockable Length Tube

I was looking to create a version of the Samla Filament Boxes (Search SAMLA+Filament+Storage+System) and needed an adjustable tube since the box I am using has a taper, making it complicated to measure and design. But nothing that OpenSCAD and a few iterations with ollama couldn't fix! But my first version (https://www.thingiverse.com/thing:7181162), is not lockable, so I created this new version with a locking mechanism in which a M3 screw and nut can be used to lock the inner tube at any extension.**Adjustable-Length Tube** - The tube consists of two parts: an outer tube and an inner tube that slides inside the outer tube.- The total length of the tube can be adjusted by changing the `total_center_len_mm` parameter.- The overlap can be adjusted and remaining of inner tube be shortened even more.- Depending on the intended use, the inner tube can be printed significantly shorter, fixed with epoxy or screwed. **Hollow Tubes** - Both the outer and inner tubes are hollow, with custom