Working till late…
What’s it for?
I’d say that’s a support base for a 3d printer, with a motor to control ascent and descent of base or nozzle suport. Am I close?
In any case, it’s looking great
Given the triangular corner, I’m thinking it’s a corner brace & stepper mount in one for a Delta style printer.
Nice little space saver and simplifier
Yes
Have a look at igus drylin N