10 mm x rod.
8 mm y rod.
i designed this part based on the smartcore original design that was too flimsy on my printer.
with concepts from tech2c's hypercube.
the bearing is now screwed on instead of pressure held.
and the part is symmetrical so it will work for right and left side.
the Y_Slide_Clamp.stl is from tech2c hypercube ( https://www.thingiverse.com/thing:1752766 )