CoreXY Z axis design questions. (3 replies)

Hey there,

I'm designing a cost friendly-ish CoreXY printer using parts I have laying around and mostly off the shelf components, while still maintaining the benefits of more mainstream CoreXY printers. I was wondering if using v slot rollers in 2020 extrusion for the stabilizers instead of linear rods and bushings like most other printers. The only downside that I can see is more wear over time but considering how printers like the ender 3 can get away with using V slot wheels on 2020 extrusion for both x and y axes, which move much more than the z axis, wear wouldn't be a problem. From what I can find, v slot rollers are much cheaper than linear rods and the frame is already made out of the 2020 extrusion in question, so there is another cost saving. Additionally would using a belt driven z axis instead of using leadscrews or ball screws compromise on frame rigidity/print quality if properly implemented and braced?

Thanks