Insulator Retainer for MK4 Extruder

My acrylic insulator retainer broke when I tried to tighten the screws on it too much. My thermal insulator was a bit wobbly...

So I looked for a thing to print to replace it, but all I found was this
http://www.thingiverse.com/thing:1004
it should work just the same, but I thought I would update to the newest version (the non-round version)