max2501 said:A 1600mm long HTD3 15mm wide belt is only 30€ and really strong. If i can find a good tensionning system i'm sure it can work.
There is not such a thing as really, strong. All should be calculated.
I think this :
https://i.imgur.com/nuUIxn0.png
Or that one:
https://i.imgur.com/oGleLAS.png But, yes, you cant do it with idle sprocket pulley on working side. And it is not so wide - ~22 mm.
https://i.imgur.com/PQ0A7ka.png
90 degree gearbox is cheaper. But need good old lathe and mill to work it out. Not a fancy 3d printer.