Great looking setup, that Lucky enlarger column looks really solid, massive is probably the word. I first saw that Novoflex Castel-M rail in another post on here, I must say that it is an object of great beauty and would be perfect for this application. Eye-wateringly expensive even in the UK but it is in fact far more sophisticated than is needed with very fine micro adjustable click-stop steps for focus stacking in macro photography, click stops would be nice though. I wish I’d done metalwork at school now.