Atomstack a5 pro gantry supports?

Has anyone added any gantry supports or have a source of maybe some 3D printed ones?
I’ve checked the belts and don’t wanna over tighten them but I’m getting some wobble lined when it makes x-y arcs at the same time when it moves.
What proper belt tension tactics are you guys using?
I Tighten the roller below the laser head as well
Got this unit at a good price but a headache so far
Any help thanks guys