shapeoko / megaoko far Y motor wire clip syakely

I lost the default cable route for the far y motor when I closed the gap between the x rails, so I decided to route the wire in the second top rail.   

To keep it in place I created this clip to keep the wire in place, attaches with a standard t-nut.  

I replaced the smaller spacer on the Gantry with 20mm spacers and joined the two rails with 4 of these joiners printed 4x in height.  
http://www.thingiverse.com/thing:74301  
I'm getting way less flex now.