Makerfarm i3v 10" frame clip for wire bundle from heat bed

I was inspired from this filament clip design http://www.thingiverse.com/thing:12516 to make this clip to hold the wire from my heat bed to the frame near the arduino board. I used a split flex tubing from Lowes to cover the wires from the heatbed. I added a slot in the top of the clip so I did not have to disconnect the wire from arduino board to route it thru the opening. I also added 4 slots in the clip to wire tie it in place. The round opening for the wire bundle is 16mm in diameter. I